Sam Ma is a Quality Manager at Valvospain Shanghai Co., LTD at Valvospain Shanghai Co., LTD. He possess expertise in quality control, materials, engineering, gas, leadership and 19 more skills. Colleagues describe him as "SamMa is one of the best colleagues that I have ever met who gains an excellent wild knowledge in industrial valves and piping field. Responsible and capable of leading teams and managing big Projects for the most important & exigent customer all over the world. Substantial experience in product development, welding and in material special requirements such as NACE, SH2… and also in the company processes with all the international rules as ISO 9001, PED 97/23/EC, API6D, Firesafe,… Show more" and "Sam has so much experiences for quality and other issues in valve industry and a very kind person."