懂色av一区二区三区蜜臀I国产精品久久久久久婷婷天堂I色wwwwI免费一区在线I亚洲在线免费视频I深夜成人av

Wenzhou Shangshang Metal Products Co., Ltd. is located in the Longwan central industrial zone Wenzhou City, Zhejiang Province, two kilometers away from Wenzhou airport and convenient transportation. Is a professional production of various types of head, flange and metal products, key enterprises, stainless steel head products are widely used in pharmaceutical products, beer, food, chemical, petroleum, metallurgy, biotechnology, water treatment and other fields.

       The company has strong technical force, advanced production technology, improve the quality inspection and good after-sales service, reliable business reputation, and many domestic customers around the world provide a solid foundation for cooperation. Main products: all types of flange sizes from DN15-5000MM; Ф25-Ф6000 various elliptical head, ball, butterfly, no straight-edge-shaped, tapered, flat head, U-ring, expansion joints and other head and non-standard products according to customer requirements. Products sold throughout the country and exported to Europe, Korea, Japan, and the Middle East, the product has been well received by the majority of users trust and praise.

       Companies adhere to the "quality first, customer first, good faith" approach to business. We sincerely welcome new and old customers letter calls ordering, let us work together to create brilliant tomorrow!