This production line mainly produces products with a length of less than 3 FT and less than 15inch OD. The main products are : Cup Packer、Landing Nipple、COUPLING、CROSSOVER、BC LANDING COLLAR、 LANDING COLLAR . It has 7 sets of equipment, including 1 Manual Lathe, 2 CNC lathes, 2 machining centers, 1 surface grinder and 1 cylindrical grinder.