欧美日韩夫妻精品|亚洲最新无码视频|亚洲偷偷自拍无码|久草AV成人色欧美综合|91麻豆大神日韩欧美亚|亚洲制服无码国产|日本无码高清视频一区二区|日本亚洲久久九九电影黄色|色欲av一区二区三区男人的天堂|久久做品人人做人人综合

Zhejiang Dite High Intension Bolt Co., Ltd, was established in 1988 and located in Dongtou District, Wenzhou -on the beautiful coast of the East China Sea,The company has a registered capital of RMB15 million and have rights of import& export. Our company has been specializing in high-strength bolts and nuts more than 30 years. We have got kinds of certificates such as IS09001,ISO14001, 0HSAS18001 and API 20E-BSL3(American Petroleum Association), National Specialized and New “Little Giant” Enterprises、a national high-tech enterprise Member unit of the National Fastener Standardization Technical Committee, Zhejiang AAA level unit that respects contracts and maintains credibility in the province; High strength for wind power generation Degree bolts, nuts, and washers "," Track bolts, nut sets components "," Bolts for Steel Pipe Flanges in Petrochemical Industry "," Made In Zhejiang”-the main drafting unit of the standard and participated in multiple national standards,with 16 patented technologies, we have been awarded the title of Dongtou District has won multiple honors such as "Top Ten Enterprises" and "A-level Taxation".

Track bolts and nuts, tower crane bolts, adjusting screws for hydraulic system, wind power bolts, petrochemical studs, and the production of non-standard special-shaped parts with high requirements.