NORMECO ---Precision performance Normeco is the leading impact sockets &screw bits manufacturer from China ! NORMECO entered the assembly industry in 1997. 10 years later, in 2007, we established our own brand and began manufacturing NORMECO industrial tools. Our business has evolved from producing only standard bits and sockets to today where we now also design and manufacture all types of custom made items suited to our customer's unique specifications. In order to provide fast delivery to our customers, we keep inventory of over 2,200 of our most popular items, and more than 250,000 sockets and 2 million bits. NORMECO Industrial Assembly sockets (Cr-Mo) are world-class products manufactured in accordance with the Federal specifications GGG-W-660A and DIN3121 &3129. Normeco covers a wide range of: 1/4 ", 3/8 ", 1/2 ", 5/8 ", 3/4 ",1 ",1-1/2 ",2-1/2 " etc. standard impact sockets. In addition to standard items, we also have universal, fixed magnetic, sliding magnetic, fast lead sockets, anti-vibration sockets for oil pulse tools, sockets for multiple nut runner machines and robot arm etc. we are ready to produce any customized products based on clients demands.