Since 1992 Sino NSH has been researching, developing and manufacturing oil purification and recycling systems. Based on the profession and achievements in this field, NSH passed the approval of the ISO 9001:2015 quality system,Environmental Management System as per GB/T 24001-2016/lSO 140012015 and was awarded to Chinese high- tech enterprise etc. NSH professional technical team successfully developed hundreds of practical patents and obtained certification for the products.

NSH products are extensively used in the fields of electric power, petroleum, natural gas, mechanical manufacture, steel, metallurgy, railway, aviation etc to meet different demands of customers, And tailored solutions are provided for special applications.