Hunan Primatherm Valve Co.,Ltd: As a China professional industrial factory, we're supplying and exporting all kinds of ball valves, gate valves, globe valves, check valves and strainers. All the quality will be fully controlled from the raw material, machining, assembling, testing, painting to the final packing, strictly as per API6D, API600, BS1868 and BS1873 standard. Our payment terms could be FOB or CFR by T/T,LC at sight or 30 Days etc.