No.of National Quality System Certificate ISO9000:0202Q10868R1S
  No.of Produce License:
        Zhejiang Changming steel tube factory is located in Yongzhong Town, Longwan district,Wenzhou, China.It's at the coast of east China sea and is only 3 km from Wenzhou airport. 20 km from railway station .It is with preliveage location and convenient transportation. founded in 1993.the corporation covers an area of 8000 square meters and 180 workers and 20 moderate and high-grade specialists. with full of modern production equipment. Its annual production capacity is up to 5000 tons. It has grown up as a specialized stock-holding enterprise in the field of stainless steel pipe. 
        Our factory can ensure the proportionate. sustained.good quality function organization and the high efficiency production order by setting up the function departments including the quality guar antee department. production & technology department. sale & purchase department and director office under the leadership of the factory director.
        With utilizing the equipment such as four pieces of cold-drawing. fasstone. straightener. press. universal testing machine. physics and chemical CS analytical machine and so on. 
        Our factory can ensure the high quality of the products. The factory were appraised to be "The outstanding enterprise" 5 years continuously.
The "Minggang" non-crack stainless steel tube produced by the Corporation have passed the provincial Band 3 Measurement qualified level test.In Oct.2000.the company has obtained the quality System certificate of ISO9002.The specifications of our stainless steel tube Ф6-426mm×2-30mm.As for the products quality. it is according to GB/T14975-2002 and GB/T14976-2002.
        Our raw materials are supplied by many large-scale Steel Factory such as Shanghai No.5 Steel Factory. Daye Steel Factory and The Great Wall special Steel Factory. Our products are widely used in the line of aeronautics. petroleum. chemical. electricity. food.m edicine and so on and they are popular with the customer.
        The company sticks to the principle of prestige first and customer the highest. development on the basis of science of and technology. market developing is depend on thehigh quality. And it is coordinating actively with the customers for the minggang brand steel tube. We warmly welcome friends from home and aboard to visit us for business talk and contact us.