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Our firm aims to operating faithfully, serving to all of our shoppers , and working in new technology and new machine regularly for Featured, Api Non-Upset Coupling , Sucker Rod Factory , Seamless Elbow , Our company now has many department, and there have more than 20 employees in our company. We set up sales shop, show room, and product warehouse. In the meantime, we registered our own brand. We have tightened inspection for quality of product.