Tekfen Construction & Installation Co., Inc.

CALVO SEALING Is a Spanish company with more than fifty years of experience in manufacturing sealing and thermal insulations products. We are currently present in many different industrial areas such oil&gas, process, naval, cement, food, casting.

Nanjing Kangzhuo Environmental Technology Co., Ltd., formerly known as Nanjing Shenglan Automation Co., Ltd., is located in Xiongzhou Industrial Park, Liuhe District, Nanjing, with a superior geographical location and convenient transportation. Kangz