As the China PVC plumbing fittings manufacturer,we have some PVC plumbing fittings wholesale in China such as PVC slip pipe coupling ,PVC plumbing reducing ring and PVC reducing elbow.The PVC reducing elbow of high quality has passed the NBR standard.The PVC slip pipe cuopling is hot for sale and applied in supplying cold water.All the PVC plumbing fitting which is wholesale in China is of high quality ,you don’t need to worry about the safety or use life of the PVC plumbing fittings .If you have questions about our PVC slip coupling for sale,please contact us and we will answer it.