HZ Marine Service And Supply Co., Ltd is a professional company specialized in vesseldrydocking supervision, repair & maintenance services, voyage repairing and spare parts supply. The company provides professional engineering services and high-quality products to global shipping owners and ship management companies in the marine market. with their team 7*24hrs on standby, they make sure vessel in safe voyage, e-co and smoothly running. This company gets close cooperation with global ship equipment manufacturers,authorized factories and manufacturing plants such as diesel engine, Ele. Motor, airconditioning, water pump, purifier, turbocharger, ect., and can provide DNV, ABS, LR, BV,NK, CCS and other Class certificates. Maintenance and spare parts supply for automatic control system including ACONIS, firealarm system, AE control system, level gauging system, remote valve control system, gas detecting system, IG system calibration, 15 PPM calibration, bridge control system,communication & navigation equipment overhaul. Hydraulic equipment repair and maintenance service including crane hydraulic system,hatch cover hydraulic system, windlass and winch hydraulic system, hydraulic pump&motor & cylinder, etc. more