The top ten pressure reducing valve brands are as follows:

1. Jiumu Kitchen and Bathroom Co., Ltd., founded in 1990, is a well-known high-end bathroom brand and a famous trademark in Fujian Province.

2. Moen Shanghai Kitchen and Bathroom Co., Ltd., originated in the United States in 1937, has advanced faucet lead washing technology.

3. Amico Group Co., Ltd. is a famous trademark in Zhejiang Province. Its products are famous for their beautiful appearance, good performance and high quality.

4. The Upsosc brand is affiliated to Shanghai Dingpin Building Materials Co., Ltd. and was founded in 2010.

5. Foshan Jiajia Sanitary Ware Co., Ltd., SSWW, a well-known brand of sanitary ware, started in 1994.

6. Yuanda Valve Group Co., Ltd., named Yao, is a valve brand and a famous trademark in Hebei Province.

7. Watts Shanghai Management Co., Ltd. was founded in the United States in 1874.

8. Shanghai Hugong Valve Factory Group Co., Ltd., a famous valve brand and a famous trademark in Shanghai.

9. Shanghai Kaiweixi Valve Co., Ltd., the English name is abbreviated as SHK.

10. Kaitai Valve Co., Ltd. is a non-regional group company and owns Shanghai Kaitai Gas Equipment Co., Ltd.