We do hydraulic pressure testing twice on every valve according to API598 specifications, no one leaked valves go out of our plant
We promise to offer after-sales service if there is any confirmed products quality problems, including refund or exchange service within 18 months.
We request and save castings' test report of chemical composition & mechanical property and material samples of every single batch only from the decent & certificated foundry.
quality plywood cases, each layer is separated by cardboard for cushion the possible impact during the transportation.