Welcome To Qingdao Tongsen Packing Co.,Ltd


100% Valve Testing

Before installing our flexitank valve.  Each valve is pressure tested for tightness by 0.3-0.4MPA air pressure.  we can ensure each of our valve is 100% safety.

Strictly PE & PP Inspection

We use high quality material, it must can bear high tensile and impact test. We test our raw material strictly before we start to use.