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Founded in Kaohsiung City, Taiwan in July 2015, a member of Sanjiaozhou Group. WaterPAL International Co., Ltd is to promote all foreign trades for brand name“E-CHEN","ROMAC","TIANLIN" that combined diaphragm RO booster pumps,delivery pumps, digital brushless pumps, water pumps, smart filtered shower heads,power adapters and more innovative products. All our products hold core Intellectual Property Rights.We hold 145 registered patents in China, USA, India, the European Union, Japan, Korea, and Taiwan to date including 74 innovation patents.

Sanjiaozhou Development History

1992  Sanjiaozhou Electric Factory Founded in Shunde, Guangdong, China.
2001   Merged with E-CHEN Enterprise (Taiwan) to campaign in the development of diaphragm booster pump.
2002  Lunched diaphragm RO booster pump reform strategy.
2006  Achieved annual “China Water Industry Top 10 New Company".
2007   Achieved annual “China Water Industry Top 30 Excellent Company".
2008  Foshan City Sanjiaozhou Electrical Technology Co., Ltd founded.

Obtained 20 years patent of “RO booster pump" in Korea and China.

Obtained 20 years international invention patent of “RO Constant    Pressure Pump".


Became Technology Cooperation Base with China National Science Institute in July.


Acquired invention patent of Diaphragm Pump in USA.


Acquired invention patent of “Diaphragm" in USA.

2012   Acquired invention patent of “Diaphragm" in Korean.

Achieved 2 million units sold.

Guangdong Sanjiaozhou Environmental Technology Co., Ltd. founded.


Sanjiaozhou R&D Center established.

WaterPAL International Co., Ltd. (Taiwan) was funded in July.

Sanjiaozhou Group was established in August.