The company has been doing research, development, manufacturing, sales and service since it's establishment and is specializing in the production of silica sol, polishing slurry, cleaning liquid in microelectronics, photonics related consumable high-tech enterprises. We also deal with railway fittigs, such as: spring strip, nylon insulated units seious, spacer ring, buckle iron serious, screw nail, spring washer, falt washer and fishplate.