Jumbo International Co., Ltd was established in 1978 in Taiwan. Jumbo industrial Co., Ltd was established in 1990, and it locates in one of the ten most beautiful tourism cities----Zhuhai. The plant size is about 15000 square meters and the employees are about 100. Our company is a very professional expansion anchors and screws manufacturer which gathers producing, marketing and service in one. We strictly carry out the ISO9001 quality system and ROHS directive, comprehensive and thorough ...