Capacity of formulator design, guarantee of the safe production and effective development with different test equipments.
Auto production lines make it is possible for qualified and timely order-fulfillment
Through the surveying and mapping equipment with high-precision for the drawing of two-dimension and three-dimension, which guarantee the precision of design and accuracy of developing.
Dynamic comprehensive test, guarantee and test the reliability and effectiveness of product.
20 years history in Seal industry, Tongchi has been developing into a professional manufacturer with excellent public reputationn....
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