Company Overview
Ningbo Langheng Rubber & Plastic is a professional manufacturer of O-rings, oil seals, gaskets and other rubber parts.

International Standards
Product quality is our top goal. We control our raw materials' quality from the very beginning. All of our raw materials meet NSF-61, FDA, UL, WRAS, GB2828 and other standards. Our 20 QC auditors retest them before putting them into production.

ODM/OEM Projects are Welcome
We have been in this business for many years. Our R&D department is composed of 10 engineers with over five years of experience in providing ODM/OEM services for rubber seals and construction materials. With five percent of sales revenue reinvested in R&D, we concentrate on developing new designs, offering more than 100 sizes for your selection.

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