R&D Department

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LET, has focused on high-end food-grade bags for the development of special film, design and customized production. Relying on the technical support of the world's major polyethylene raw material suppliers, LET has established a long-term technical and strategic cooperation with them and owns many technical experts in flexitank and blown film industry, annual production capacity 6000 tons.

The physical indicators (tensile strength, break elongationx, falling dart impact strength, thickness uniformity, rub resistance, etc.) of the high-end flexitank film are in the lead of the industry. In terms of technological innovation, LET currently owns more than 20 patents including pending patens and inventions, and continues to develop, design and produce a wide range of product accessories, including industry-leading, high-end PTFE ball valves, heat sealing machines and so on.

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