Oulianda was founded in 2013. Its factory is located in Pingshan New District of Shenzhen and was set up in 1992. We are an integrated comprehensive production, chemical research and technology service company. We have cooperated closely with some chemical colleges since we were founded. We have our own laboratory and chemical engineers to provide free of charge technical support for clients. We have Kippa, Sampro and BiaoDi registrated trademarks. All kinds of products have passed RoHS ...