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| Customization: | Available |
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| Customized: | Customized |
| Eco-Friendly: | Eco-Friendly |
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| Color | black, silver, gold, red, brown and customized |
| Shape | Round |
| Size | 30# 38# 43# 48# 53# 58# 63# 70# 82# 90#, others can be customized |
| Logo | Customized Logo Acceptable |
| Usage | glass jar sealing and anti-leak |
| OEM Service | Silk-screen printing, Decal printing, Color spray, Label, Package. |
| Technique Parameters | 1,Internal-stress(Grade):<=Grade 4 |
| 2,Anti-thernal shock degree :>=Grade41 | |
| 3,Thermal Tolerance:120 degrees | |
| 4,Anti Shock:>=0.7 | |
| 5,AS Pb content:conforming to food industry restricition | |
| 6,Pathogenic Bacteium :negative |




Since 1998, TNN Group has been founded for over 2 decades. Head quarter locates in Dalian -the most beautiful coastal city in Liaoning, China. Currently, TNN has 33 staffs, self-owned offices, cooperative laboratory, independent e-commerce platform, ISO9001 and CE certification, independent trademark and other high-level professional office equipment and institutional certifications, 3 overseas companies, 2 domestic offices and two subsidiaries.