The main operations of zhouzhou zhuang pipe company ltd. Are the mpp electric tube, the pe tube, the cascading cable protection tube, the sea-bite cable tube, the cpvc electric pipe, the mpp electric cable pipe, the pe liner, the nine-kong fence, the two-walled bellow pipe, thermal impregnated steel tube, the sea-bite fibre cement tube, the fibre cement tube, the asbestos cement tube, the glass steel complex, and the seven-cone plum pipe。