China power technology (zianjin) ltd. Sits in tianjin development area and is dominated by the distribution of seamless steel pipes in major steel plants, such as tianjin steel group, inc. (tpco), shino-waring, packing steel, gang-yen-jing river, smbok, zhengbao. Contains fluid pipelines, piped pipes, high pressure boilers, high pressure fertilizer tubes, oil crackers, alloy steel tubes, fine steel tubes, cryogenic tubes, low- and medium-pressure boilers, structural tubes, hydraulic support tubes, and gas cylinder tubes, square tubes, etc。