Our factory was founded in 1993,specialized in producing valve rocker of engine,rocker axis,handspike, clutch forks,redirector (plural???) and so on.
It has been holding the management policy of "centered by customers" for more than 10 years. This sentence need reworking:
We have had a customer-centred policy for the past decade.
With scientific management,as soon as the goods ARE on the market,our products are being said highly by our customers. are rated highly by customers???
After striving for development over10 years,our products are selling well in the domestic market and HAVE formed a steady customers colony CUSTOMER BASE in the international market,say,south-east Asia,Eurmican (???)Market.