Hangzhou Orient Sino Industries Corp is a large-scale holdings group specialized in the manufacturing of paperboards, die-cast fittings, and electrical appliances. Our company is located in Hangzhou, the capital city of Zhejiang Province, China. Now we have more than 1,000 staffs and hold the following subsidiary companies. 







With advanced paper production lines imported from Taiwan and up to date technologies,which can make sure to offer 220-600g paperboards in different grades to meet customers' requirements. Located in Fuyang, Hangzhou vicinity, where more than 800 paper manufactories are situated, we enjoy excellent geographic location. Therefore, we can offer the best quality paperboards with the most favorable price to worldwide customers. 







2) Hangzhou Jinniu Die-Casting...