Sera electromagnetic diaphragm, Sera mechanical diaphragm pumps, Sera composite diaphragm 

 On the Hai Tong Electrical and Mechanical Equipment Co., Ltd. supply Germany the Sera electromagnetic diaphragm, Sera mechanical diaphragm pumps, Sera composite diaphragm safety valve Sera in Sera in reserve valve Sera in the gas pump, Sera in automatic control of pump, Tel :021 -51,872,464 Fax :021 -51,872,454; E-mail: hruitang@163.com. 
 Germany Sera was founded in 1945, and Sera in the pump can be used for almost all of the fluid medium, even aggressive, abrasive, foul-smelling, radioactive, flammable, viscous or toxic performance is reliable and safe. Shiner sera dosing pumps, liquid pumps, dosing devices and diaphragm compressors. Sera of dosing metering pump and liquid pump is vibration extrusion pump, the operation of highly secure, accurate measurement, to ensure that the chemicals in the course of economy and environmental protection. Media contact with the surface characteristics of select high-quality materials to ensure the life of the pump. Sera a variety of designs to resolve the technical problems of various metering which fully reflects the design of the sera according to customer's technical requirements provided by the various pumps and dosing systems. Sera products to meet economic needs, and comply with environmental requirements. 

 Sera main products are: 
 Sera in electromagnetic diaphragm, Sera in mechanical diaphragm pumps, Sera composite diaphragm, Sera piston diaphragm pump, Sera piston pump, Sera in piston pump, Sera quantitative transfer pumps, high-voltage metal diaphragm in Sera in Sera in pneumatic diaphragm pumps: the R / RS 204 series; R409.2 series; the R409.1 series; M 413KM series; R 413KM series; MK 411 K.1 series; RK 411 K.1 series, etc.; 
 Sera in automatic control diaphragm metering pump: C-type electromagnetic diaphragm, the C-type diaphragm, C-type piston diaphragm pumps, control systems-on ProfiBus: C / CS 204 series; C 409.2 Series; C 409.1 Series; 
 3, Sera automated metering dosing system: the KKV Auto proportional dosing system, wall-mounted dosing systems, small-scale dosing devices, single-box-type dry powder dosing system, two boxes of dry powder dosing system, three boxes of dry powder dosing system; 
 Sera in piping systems accessories: safety, maintenance pressure valve diaphragm damper diaphragm damper; 
 Sera in gas transmission devices: gas pump, automatic control of pump of LPG pumps, metal diaphragm compressors.