欧美福利视频I欧美成人h版护士I一道本一区二区I这里有精品视频I性网爆门事件集合avI欧美爱爱小视频I六月色丁香I天天干夜夜I免费黄在线I亚洲情在线I国产精品久久久一区二区三区I国产在线精品二区I日韩有码视频在线I日本亚洲欧美I婷婷六月丁I91日韩在线视频I擼一擼av网站I亚洲男同视频I丁香婷婷六月天I自拍偷拍第五页I成人久久精品I日韩人妻无码一区二区三区99I国产综合社区I欧美69影院I国产富婆一级全黄大片

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!