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| Size measurement(mm) | |||||
| Spec. | Plastic diameter | Inner diameter | Overall height | Inner height | Thickness |
| 20mm | 22.0+/-0.2 | 20.3+/-0.1 | 8.5+/-0.4 | 7.3+/-0.1 | 0.2+/0.01 |

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Vial Aluminium 20mm custom caps | ![]() |
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Yantai Xinhui Packing Co., Ltd. was founded in 2003, with registered assets of RMB80 million, focusing on R&D, MFG, and sales of pharmaceutical packaging material.The company’s main products are butyl rubber stopper and synthetic poly isoprene disc. All products have been issued “Registration Certificate” by China Food and Drug Administration.
The company was repeatedly honored by local government, and has been ISO9001:2008 certified.
The subsidiary trading company, Yantai Xinhui Pharmaceutical Packaging Material Co., Ltd., cooperates closely with quality manufacturers of related pharmaceutical packaging products, dedicating to provide a one-stop service for overseas customers.

From end of 2017, the company is moving to the new production base, which covers an area of 4.5 acres, involving an investment of USD150 million. The base will be finished by two phases. The first phase, which includes office building, research building, workshop 1, water treatment workshop, covering 82,000 square meters, is now in use. Most advanced equipments are used for automatic production. With full operation, annual output will increase to 8 billion pieces, revenue over USD200 million, offering over 500 employments.
“Quality Based, Customer First”, is our business concept. We sincerely welcome friends from all over the world, and wish to establish long term cooperation for mutual development!

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