I specialize in the designing and production of various diaphragm micropumps,including micro diaphragm vacuum pumps,gas pumps,water pumps,oil pumps and liquid pumps with low flow range and small size.
I also have many website domain:

http://www.chinamicropump.com

http://www.alldoo.com

http://www.alldoo.cn

http://www.alldoo.com.cn

http://www.usmicropump.com