About CMCE Valve CMEC PCM,as an integrated solution provider in the field of oil storage and oil transportation,can provide complete or individual solution and service at customers' request,from design,manufacture,to test and commissioning,until acceptance. CMEC Valve is a high quality and professional manufacture of valve in API 6A gate,check,plug,chokes,ball,casing head,tubing spool,flanges,Christmas tree equipments,and petroleum machinery parts,available with a wide variety of materials ...