As a Manager, be in Fasteners Manufacture line many years. i love my company , i love my people , i love my job , i enjoy every moment ! Our Zhejiang Weigao Standard Parts Co., Ltd. was founded in 1990.And our company has strict quality control requirements, and has passed the American Petroleum Institute API-20E "Alloy and Carbon Steel Bolts for the Oil and Gas Industry", API-20F "Corrosion-resistant Bolts for Oil and Gas Industry" double-concert certificate to meet the product needs of customers in many fields. With the development of business volume, we established Ningbo Taida Fastener Co., Ltd. in 2003.Ningbo Taida Fastener Co., Ltd. is responsible for international business The standards include : Standard Products : Threaded Rods : ASTM A193 B7 B7M ,ASTM A320 L7 L7M DIN975/976,B8 , B8M Hex Nuts : ASTM A194 2H 2HM GR7 GR7M ,DIN934/6923/985 Hex bolts : ASTM A325/A325M/A490/A490M/A307, DIN6914/7991/912/933/931/603 The sizes are from M12 to M100 (from 1/2 inch to 4 inches )in diameter. The product grades are 4.8, 6.8, 8.8, 10.9,12.9, B7,L7 and B7M ,etc. The using materials are 35#, 45#,40Cr, 35CrMo, 42CrMo, 25Cr2MoVA, 20MnTiB, various brands of stainless steel material. Our products are well-sold among the whole country, moreover, they are also widely spread all over the world, including Europe, North-America, Mid-east, Japan, Etc. Our "MISSION : Committed to supply Quality Products at Market leading prices, Ethical Business Practices to become Preferred Business Partner in every Market we serve." Choosing Zhejiang Weigao Standard Parts Co., Ltd. and Ningbo Taida Fasteners Co., Ltd., you can get best quality, quick delivery, and competitive price. Those advantages could help you take the leading position among your competitors . You can be rest assured Because of we are professional manufacture !