we have developed over 50 couplers of 4 series such as silane coupler, titanate coupler, aluminate ester coupler, alum-titan coupler etc. which are popular with clients and widely used in many areas of plastics, dope, adhesive, dyeing and printing auxiliary, latex and printing oil etc. Annual output is about 5000 tons and most of products are exported to Europe, USA, Canada, Japan, India, etc. who are very satisfied with our products and service.
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