Our company largely manufactures PCB and Assembly (SMT,AI,MI) with purchasing service of electronic components / parts for electronic ballasts in lighting industry. By a series of our productions and service, a lot of troubles/costs can be simultaneously saved in the cooperation with us. We have two PCB factories and three Assembly factories. Our products had been approved by UL and certificated for RoHS compliance. Our quality system had been certificated and met the requirements of ISO-9001. More information, please view our website: www.puchun.com