construction ring spanner,construction box end wrench

Cangzhou Dean Safety & Special Type Tools Producing Co., Ltd. is a specialized production enterprise of safety tools, special steel tools, measuring tools and nonstandard tools. It was first founded in 1986. Now it has developed into a large company in its trade in China. Established in 2003, Cangzhou Dean Safety & Special Type Tools Producing Co., Ltd. It is situated 2 kilometers south of Botou City which is famous for casting in China. Now our safety tools have over 300 ranges of products, over 5000 specifications. According JISM7002-96 of Japan and GB 10686-89 of China to make inspection cause the tools 100% are acceptable. These tools can avoid rising sparking when tools strike, rub or collide with target in explosive atmosphere or flammable vapors and widely used in oil and gas works, petrol-chemical plants, explosive manufactories, mines, shipyards, pipeline construction, armed forces, pharmacy, airports and many others. Now our High quality special steel tools have over 60 ranges of products, over 1200 specifications. All the products are accordance with GB/T4388-4393-1995 of national standard. The designs of striking spanner are quite up to Germany standard of DIN744 and DIN 133. We insist on providing high quality products with imported advanced equipment and technique. We'll repay all customers with quality products, low price and perfect after-sales service.