Quality management


Our quality management system ensures consistent standards and a high quality of our products.

Via the continuous QM-system the optimal control of production, from raw materials receipt right up to delivery of the finished product, is ensured. This control and responsibility is carried out by qualified employees, whose advanced training is one of our sustainable investments.

Longcheng employees support companies all over the world helping them in optimising the handling process in the PVC manufacturing and processing segment.
Arrange a free and non-binding consultation appointment for discussing possible cooperation opportunities.

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Mon-Fr 8am – 5pm

 Tongxiang Longcheng Plastic Co.,Ltd 

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No.483 Yucai Road,Shimen Industrial Zone, Tongxiang, Zhejiang, China. 314512

Tongxiang Longcheng Plastic Co.,Ltd