Main products: water pump, water pump selection, shielded quiet circulation pump, the Beijing-pass multi-stage pump, multistage pump and retail. 
 I. Product Overview 
 ZDK, DK Centrifugal mini water pump, pump mainly by the electric motor, water pump, seals of three parts. Motors are single phase induction motor; the pump with the self-absorption capabilities. Between the pump and motor with single mechanical seal, seal the mouth fixed only by the use of "O" shaped rubber ring as static sealing oil. 
 Second, use 
 This series pump small size, light weight, compact, easy to install, is an ideal energy-efficient household electric pumps, widely used in irrigation, spray irrigation, garden spray irrigation, greenhouses and water wells and drainage aquaculture for water use, water pressure and other family living water of the occasion. 
 Third, working conditions 
 Pump in the following conditions should be able to use for normal work: 
 1, medium temperature does not exceed +40 ℃; 
 2, the medium PH value 6.5 ~ 8.5; 
 3, the solid impurities in the volume ratio of not more than 0.1%, particle size less than 0.2mm; 
 4, power frequency of 50Hz, single-phase AC voltage 220V, rated voltage fluctuation range of 0.9 to 1.1 times. 
 Qinhuangdao City Metropolitan Pump Co., Ltd. was established in 1989 through the year, is operating various types of pumps, frequency control water supply, no negative pressure sets, complete sets of fire and electrical control equipment specialist. Qinhuangdao harbor is located in No. 188 Youyi Road, the company annual sales of nearly 3 million units of water pumps, operated by nearly ten thousand kinds of products specifications, because of the different products and professional after-sales service team, marketing team, good quality, reasonable prices, favored by the users. Widely used in construction, fire fighting, environmental protection, electrical, HVAC, chemical, agricultural irrigation and other industries and fields ... 
 Brand-name companies have agents abroad: NT Pump (listed company), Leo pump (listed company), Shanghai Tianquan Pump Group (Shanghai brand name), Rainbow Silver Pump (Hebei brand name), frog Pump (China Top Brand ), Zhejiang new earth (the professional production of submersible pumps), Shanghai Huafeng (specializing in the production mix sewage pumps), Pak Fuk pump (constant pressure water supply equipment, professional production of stainless steel), Xing source gear pump, and Taiwan, Miao pump, mud Italy Ze Special pumps, Jiaqing hose, the Great Wall Group, inverter, INVT Inverter ABB drive, gold enamel inside and outside the water storage tank, the people all stainless steel submersible pumps ...... 
 The company divided into the following sectors: pipeline pump sales, pump sales, chemical pump sales department, sales department submersible pumps, well pumps sales, service, customer service, finance, electrical department, e-commerce department. .. can provide professional marketing services, improve the quality of service and reliable technical support. Company continued to introduce domestic and international famous brand ... to provide customers with high quality low price of pump products, and good service all manufacturers to improve product delivery sales, enhance the reputation of manufacturers to achieve a win-win. 
 Company aim: to take care of your staff, the staff will take good care of your customers, then customers will