in 2000. through hard work,continuous innovation, has developed into a research and development,manufacturing, sales of a very competitive power tools production and supply service provider.our factory have the specialized in producing angle grinder, engineer drill , rotary hammer, demolition hammer,welding machine and electric drill, circular saw…etc.ourself brand is dongsen,now has more than 480 workers, including 30 qa and 15 r&d persons. 60000-square-meter of the factory house.now we had main market in middle east,east south asia, russia, iran, and south america. dongsen brand always supply high performance cost products solution.when you choose us to coopration, it will certainly give you a better sales. we await for you to join in. 2000was established in 480employee 30oa staff 15r&d persons 60000plant area historyour development history < > 2000 zhejiang dongsen electric appliances co,.ltd. is a manufactory