Typically the whole system contains pretreatment system, reverse osmosis devices, post-treatment system, cleaning system, and electrical control systems.

  Pretreatment system general contains pumps, dosing devices, quartz sand filters activated carbon filter, and precision filter and so on. Its main role is to reduce the raw water pollution index and residual chlorine in order to achieve the reverse osmosis water requirements. Device configuration of the pretreatment system should be based on the specific circumstances of raw water.

  Reverse osmosis unit includes multi-stage high pressure pump, reverse osmosis membrane element shell (pressure vessel), frame etc. Its main role is to remove impurities in water.

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The origin: Qingzhou city, Shandong Province,China

                  Shandong Sihai Water Treatment Co.,Ltd.

SiHai Company, founded in 2000, is a high-tech enterprise which is mainly specialized in water treatment equipment, including development, manufacturing, sales and services. The company sticks to the operation principle of "producing competitive products professionally, serving customers sincerely", focusing on quality assurance and customer satisfaction to enhance our market competitiveness and build professional teams, and making us become a domestically well-known enterprise with integrating design, production and installation based on flexible mechanism of enterprise as well as advantages in scientific and technological achievements.
The company covers 20,000 square meters with 7.000sq.m modern standard environmental protection workshop and the complete software and hardware facilities, and has total assets of more than 30 million RMB. Spreading all over the country and being sold in more than 10 countries overseas, water treatment products of our company win praises from customers with reliable quality, complete pre-sales, in-sales and after-sales services.
Scope of our business: reverse osmosis equipment, full-automatic softener, SPINKLI, screen filter, sand filter, multi-media filter and ultra filtration. The reverse osmosis equipment, adopting the most advanced membrane and technology in the world, is mainly used in milk, drinks and beverage, pharmacy, chemical, electricity and others desalting and craft pure water manufacturing and has reached the advanced world level. Presently, the company has successively won contracts of many water treatment projects of Hunan Guangxin Group, Shandong Fenghuang Paper Co., Ltd., Shandong Huayang Pyroelectricity Co., Ltd., Anshan Yes Optoelectronics Display Co., Ltd., Mengniu Group, Wuhan Jianmin Pharmaceutical Groups Corp, Ltd., Anqiu Lu'an Pharmaceutical Co., Ltd., etc. The company has successfully finished these works of project design, installation, and debugging, and won high praises from customers.
Now we are developing the international market, relying on high quality products, excellent service, reasonable price and timely delivery. Please contact us at any time so that we can make further understanding.