中文
Transparent Supply: In-depth Q&A on Shixing Production & Services
With 20 years of expertise in the global cookware accessories market, Shixing has always been dedicated to solving the most critical supply chain challenges for our clients. To date, we have established profound strategic partnerships across more than twenty countries spanning four continents.
To better support your decision-making, we have compiled this professional guide based on the real-world needs of global manufacturers and buyers. Addressing key areas such as high-volume procurement, product customization, and international trade compliance, this guide aims to provide you with valuable insights and reliable solutions.
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Q: Are you a factory or a trading company?
A: Shixing Tempered Glass Lid Factory is a professional manufacturer specializing in various glass lids. We have been dedicated to the production and innovation of glass lids since 1999.
- Q: Where is your factory located?
A: Our headquarters and manufacturing facility are located in Caitang, Chaozhou, Guangdong Province, China—a renowned industrial hub for stainless steel and cookware production.
- Q: What is your Minimum Order Quantity (MOQ)?
A: Our standard MOQ is 2,000 pieces per size.
- Q: What sizes of glass lids do you offer?
A: We offer standard sizes including 10cm, 12cm, 14cm, 16cm, 18cm, 20cm, 22cm, 24cm, 26cm, 28cm, 30cm, 32cm, 34cm, and 36cm, with a maximum diameter of up to 52cm. We can also provide customized glass lids tailored to your specific cookware dimensions.
- Q: Can you provide samples?
A: Yes, we provide existing samples free of charge (freight collect). For customized products requiring new mold development, a mold fee will be negotiated based on specific requirements.
- Q: What trade terms and payment methods do you offer?
A: 1. Delivery Terms: EXW, FOB, CIF, CFR.
2. Payment Methods: T/T (Telegraphic Transfer), L/C (Letter of Credit), Cash.
3. Accepted Currencies: USD, EUR, CNY (RMB).
- Q: How do you guarantee product quality?
A: 1. Professional QC Team: We have a dedicated quality control team that strictly monitors the entire process, from raw materials to final production.
2. Pre-production Samples: We always provide a pre-production sample before starting mass production.
3. Final Inspection: A rigorous final inspection is conducted on all orders before shipment to ensure consistency and quality.
- Q: What raw materials are used for your tempered glass lids? How is quality guaranteed?
A: We use high-grade bubble-free float glass as the core raw material, with regular thicknesses including 3.0mm/3.5mm/4.0mm/5.0mm. We have long-term stable cooperation with top raw material suppliers to ensure consistent and stable raw material quality from the source.
- Q: What quality control measures are implemented during production?
A: We set up multiple quality control checkpoints across all production stages:
1.Machining: Strictly ensure smooth glass edges without burrs; 100% inspect to reject items with surface scratches; drilling ensures no offset holes with chamfering.
2.Cleaning & Protection: Finished glass is washed and dried dust-free; semi-finished products are stacked with paper separators to prevent scratches.
3.Tempering: Professionally tempered in high-temperature furnaces, integrally molded, then gradually cooled by air and water to pass strict temperature difference tests, featuring high impact resistance and low breakage risk.
4.Edging & Packaging: Ensure tight stainless steel edging without loosening; finished products are packed in export-grade thick multi-layer corrugated boxes to minimize transport damage.
- Q: What inspections are conducted before finished products leave the factory and shipment?
A: We carry out multiple pre-shipment inspections:
1.Semi-finished stage: Random inspection of edge finishing and dimensional accuracy to ensure no errors.
2.Tempering stage: Pre-production adjustment of air pressure to meet required tempering particle standards.
3.Packaging stage: Final sampling inspection of size, appearance and tempering quality per batch.
4.Before container loading: Warehouse team counts quantity and conducts a final random quality check; shipment is approved only after confirmation.
- Q: Are your factory certifications complete?
A: We have passed ISO 9001:2015 Quality Management System and ISO 14001 Environmental Management System certifications. All products use food-grade safe materials complying with international export standards such as LFGB and FDA, fully meeting entry requirements for high-end markets.
- Q: What grade of glass do you use for tempered glass lids?
A: All our products use automotive-grade temperable float glass, featuring high light transmittance, stability and tempering compatibility — an ideal substrate for high-end tempered glass lids.
- Q: What international safety standards do your tempered glass lids meet? What authoritative certifications can they pass?
A: Our products strictly follow international food contact material safety standards and can pass FDA and LFGB certifications. They also pass core industry performance tests:
1.Thermal Shock Test:No breakage after heating at 180°C for 30 minutes and immediate quenching in 20°C water, exceeding industry standards.
2.Impact Resistance Test:No damage when struck by a 220g steel ball falling freely from 1.0m; hardness is 3–5 times that of ordinary glass.
3.Particle Test:Over 60–80 obtuse small particles within 50mm×50mm after shattering, eliminating sharp fragments.
4.Salt Spray Test:Passes standard salt spray test for versatile use.
- Q: What is your mold development capability? Can you ensure a proper fit between the lid and pot body?
A: We provide precise customized mold development. Based on customer drawings or sample pots, we finely adjust the radius and curvature of stainless steel edging to control the fitting gap within 1.0mm for a tight, seamless fit.
- Q: What material is used for edging? Is customization supported?
A: Main edging materials are high-quality SUS201/SUS304 stainless steel with food-grade silicone gaskets — heat-resistant, non-deformable and odorless, effectively protecting glass edges. Full customization is supported: silicone color, stainless steel thickness, total height, silicone hardness can all be adjusted per request.
- Q: What are the dimensional tolerances for finished tempered glass lids?
A: Through high-precision control, diameter tolerance after tempering is strictly within ±0.5mm, height tolerance within ±2mm, ensuring consistency and compatibility.
- Q: Do you support custom center holes and vent holes? What are standard sizes?
A: Full customization of size and position for center and vent holes is supported. Standard center hole: 8mm; standard vent hole: 6mm, flexible to adjust.
- Q: Are your glass lids oven and dishwasher safe? Can they pass salt spray tests?
A: Our products pass standard salt spray tests and are suitable for household/commercial ovens and dishwashers — heat-resistant, corrosion-resistant, easy to clean for multi-scenario use.
- Q: What recommendations do you have for different lid types (C-type, G-type, T-type, silicone lids)?
A: We offer a full range to match various cookware designs. C-type and G-type are classic with stocked sizes 16–32cm for fast delivery. T-type lids are popular in specific markets for their unique design. Silicone-edged lids support custom production with multiple color options.
- Q: Besides standard glass lids, what special types do you produce?
A: We specialize in various specifications:
1.Models: C-type, G-type, T-type, flat and special-shaped tempered glass lids.
2.Special crafts: colored glass lids, PVD vacuum gold-plated lids, silicone glass lids, and glass sealed lids for food containers.
3.Positioning:High-end products to meet high-end cookware market demands.
- Q: What color options are available for glass lids?
A: Besides high-transparency clear glass, we offer blue, green, amber and gray glass to match different cookware styles.
- Q: What is your sampling lead time? Do you provide mold development and design services?
A: With 27 years in tempered glass lids, we maintain a full-range mature mold library. Samples using existing molds are delivered within 7 days. Our professional R&D team provides one-stop services: product design, exclusive mold development and custom sampling.
- Q: What is your production capacity? What is the lead time for bulk orders?
A: We operate two modern production bases totaling 70,000 ㎡ with 700 employees and multiple automatic/semi-automatic lines. Monthly capacity reaches up to 8 million pieces. Regular bulk orders: one 40HQ container is produced and delivered within 15 days.
- Q: What logo customization services do you offer?
A: We support various logo customizations: screen printing or laser marking on glass surface, stamping on stainless steel rims to meet branding needs.
- Q: What customization dimensions are supported for tempered glass lids?
A: Full-range customization is available: glass thickness, curvature, dimensions, size/position of center/vent holes, edging material, color, thickness, silicone hardness, fully matching personalized requirements.
- Q: Do you provide customized packaging? What options are available?
A: We offer full-scenario customized packaging for various sales channels: regular paper-layer packaging, reinforced outer boxes, supermarket card packaging, Amazon e-commerce mail boxes, customer-exclusive branded packaging, etc.
- Q: Do you provide OEM/ODM services?
A: Yes. We have a professional engineering R&D department and a sales team with over 20 years of domestic and foreign trade experience. We support full-process services from product design, mold development to logo and special packaging customization.
- Q: What are your main markets? Do you have rich export experience?
A: Our core business focuses on overseas markets with years of tempered glass lid export experience. We are familiar with global import/export rules and market demands, provide optimal container loading plans, support assorted sizes, and offer detailed packing lists for easy inventory checking.
- Q: Do you support mixed loading of different products?
A: We support mixed loading of different specifications/sizes of tempered glass lids, as well as mixed loading with stainless steel/bakelite handles, knobs and other accessories to maximize container utilization and reduce logistics costs.
- Q: How do you protect customer interests amid sharp raw material price fluctuations?
A: With 27 years of industry experience and large-scale procurement advantages, we have long-term strategic cooperation with core raw material suppliers, offering strong bargaining power and safety stock buffers to stabilize order prices.
- Q: Why choose your 27-year factory over a trading company?
A: Three core advantages:
1.Price & Supply Chain: As a direct source factory, we offer competitive ex-factory prices with no middleman margins.
2.Technology & Service: Our engineers, production and sales teams respond instantly to solve technical issues professionally.
3.Stability & Risk Resistance: 27 years of stable operation proves strong resilience against market changes, ensuring long-term supply chain security.
- Q: Do you accept third-party factory and product inspections?
A: We have extensive experience cooperating with major domestic and foreign supermarket chains and cookware manufacturers. We fully support and cooperate with third-party agencies designated by customers for DUPRO (production process audit) or FRI (final random inspection).
- Q: How do you ensure cargo safety during shipment and loading?
A: Professional warehouse management and experienced loaders enforce standardized control from warehousing to container loading. Export-grade multi-layer reinforced corrugated boxes are used for full protection. Final quality and quantity checks are done before loading to ensure safe and accurate delivery.
- Q: What customized packaging services do you provide?
A: We support multiple packaging solutions:
1.Regular paper-layer and reinforced outer box packaging.
2.Card packaging for chain supermarkets.
3.Mail box packaging for e-commerce platforms like Amazon.
4.Personalized branded packaging.
- Q: What supporting procurement services do you offer besides glass lids?
A: Leveraging the supply chain advantages in the Pearl River Delta (Chaozhou, Foshan), we provide one-stop procurement with mixed loading of stainless steel handles, bakelite knobs and other cookware accessories, saving communication costs and optimizing container space.
- Q: What authoritative certifications does your factory hold?
A: We have a complete certification system:
1.System Certifications: ISO 9001:2015 Quality Management, ISO 14001:2015 Environmental Management, ISO 45001:2018 Occupational Health and Safety Management.
2.Product Certifications: FDA (US), LFGB (Germany) food-grade certifications, RoHS 6-item test, SGS and CTi certifications.
- Q: What types of cookware are your glass lids suitable for?
A: With matching diameter, they fit widely:
1.Frying pans: Melt cheese or lock in meat moisture.
2.Stockpots/stew pots: Monitor boiling easily.
3.Woks: High arched design for steaming or braising.
4.Casseroles/baking trays: Heat-resistant up to 200°C, oven-safe.
- Q: What is your company history? How long have you been established?
A: Chaozhou Chaoan Caitang Shixing Tempered Glass Lid Factory was founded in 1999, one of China’s earliest professional manufacturers of tempered glass lids. In October 2010, we established our second modern production base in Xingtai, Hebei to expand capacity. We now have 27 years of industry experience.
- Q: What is your business philosophy?
A: Since establishment, we have adhered to the core philosophy of “Quality First, Sincere Service”. Strict quality control is implemented from raw material procurement to finished product export, satisfying global customers with reliable products and dedicated service.
- Q: Which overseas markets do your products cover?
A: With stable quality and large-scale delivery capacity, our products are exported to 4 continents and 28 countries and regions, maintaining long-term cooperation with many large domestic and foreign cookware enterprises and branded supermarket chains.
- Q: What are the core advantages of your silicone glass lids / food container sealed glass lids?
A: They adopt food-grade silicone and high-grade tempered glass integrated molding with advanced silicone-glass co-injection equipment. Excellent sealing, heat resistance, aging resistance, odorless and non-deformable for long-term use. Suitable for refrigerator, microwave, dishwasher. Full customization of size, shape, silicone color and hardness is supported.
- Q: What are the advantages of your production equipment? How do you ensure precision and consistency?
A: We equip industry-leading facilities including advanced laser cutting, laser welding, silicone-glass co-injection machines and 20 automatic/semi-automatic production lines. Automated control greatly improves production precision and dimensional consistency, stabilizes mass production, reduces manual errors, and fully ensures stable product quality.
We understand that every project and every tempered glass lid has unique requirements. If you couldn't find the specific information you need on this page, or if you are looking for samples of specific specifications or professional R&D customization for your brand, please feel free to contact our expert team. We look forward to enhancing your product's market competitiveness.
Pro Tips Section
Drawing from over 20 years of collaboration with global partners, we’ve gathered a few insights that can enhance product competitiveness. These notes are shared for your reference, offering additional perspectives as you refine your product line.
- C-Type (Sleek & Minimalist): Featuring a streamlined narrow rim, the C-type is primarily designed to complement Stainless Steel Cookware and Die-cast Aluminum pots. Its clean, modern lines emphasize the metallic texture and sophisticated profile of the cookware.
- G-Type (Stable & Secure): Known for its classic "grooved" rim, the G-type is engineered for maximum stability. It is the ideal partner for Non-stick Pans and various daily cookware. The deep-rim structure ensures a firm, secure fit on a wide range of pan edges, providing excellent sealing performance.
- T-Type (Robust & Solid): Characterized by a wide, flat stainless steel rim, the T-type offers a powerful visual presence. It is the perfect aesthetic match for Heavy-duty Forged Aluminum or Stone-coated pots, providing a balanced look that aligns with the substantial feel of thicker-walled cookware.
