WLCSP(603005.SH)

China Wafer Level CSP Co., Ltd., together with its subsidiaries, creates, develops, manufactures, and sells semiconductor, interconnect, and imaging technologies in China and internationally. The company offers image sensor, biometric identification, and ambient light sensor chips; medical electronic devices; and manufacturing services of TSV and 3DIC technology. It also provides design, test, and logistics solutions, including design chain management; design for manufacturing; design for cost; full design and verification of WL, lead frame, laminate, etc.; electrical, thermal, and mechanical characterization; and quick turn prototype services, as well as packaging and testing services. In addition, the company offers assembly services, such as turnkey solutions for TSV, wire bond, and flip chip; high-volume manufacturing; wafer finishing and 2/3D assembly; wafer to wafer and die to wafer bonding; micro-joining; integrated and SMT passives, as well as FA and reliability testing services comprising package and board level, bump reliability, underfill/EMC adhesion, drop and bend tests, solder joint reliability prediction, materials lab, and failure analysis.