Winocean is the China's leading coupling manufacturer with high standard, high quality and cost effectiveness ,our main products are fire fighting hose coupling , industrial coupling, marine firefighting equipment with CCS certificate . such as storz coupling, gost & rotta coupling, NOR norwegian coupling, finnish coupling, barcelona coupling ，british instantaneous coupling, multilug coupling ,dry disconnect coupling ,TW tankwagen coupling , air hose coupling ,fire monitor ,marine hose,marine fire hydrant valve ,marine fire nozzle and so on .