Chien Wei Precise Technology Co., Ltd. (Chien Wei) is a machinery manufacturer. The company's products are classified into JIG Grinder, Matching center, Vertical grinding machine, crossed roller bearings, VR Slide ways and accessory, 2D / 3D CMM, and mold and die. Its product types include BGA, EBGA504, EBGA836, HBGA, LBGA, MINI BGA, PBGA, TFBGA, VFBGA, SOJ, SOP, TSOP, SSOP, PD2P, QFP, TQFP, LQFP, SQFP and PLCC. The company has operations in Taiwan, China, Malaysia, Korea, Japan, Thailand, Vietnam, Indonesia, India, Pakistan, Israel, Russia, Sweden, Italy, Mexico, the US, and Chile, among others. Chien Wei is headquartered in Kaohsiung, Taiwan.