J&R is specialized in the manufacturing and supply of various metalwork products.J&R main products include various types of bolts, hex nuts, thread rods, anchor bolts, and supporting washers in DIN, BS, ANSI and JIS.
J&R also supply tool like wrench,spanner,diamond drill bit,core barrel,drill rod and casing in Q (wireline) system and conventional system for geologic investigation project contractor.