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Sino-foreign Joint Venture Shangyu Shunlian Chemical Co.,Ltd. and Shangyu Rainbow Pigment Chemical Co.,Ltd. are located in Shangyu Economic Development Zone and Hangzhou Bay Fine Chemical Zone of Shangyu city respectively. Companies have novel factory layout and convenient transportation by sea, road and air. From 1994 to now, our companies have developed stably, healthily and efficiently for more than ten years. In 2000, our companies received certificate of ISO9001：2000 quality management system certification.

Encompassing production and sale, our companies can produce over 5,000t organic pigments with different chromatogram and relevant intermediates. With 60% products sold to different parts of the world, including America and Europe, our companies are the enterprises in the same industry with comparatively large scale, powerful technical strength and strong comprehensive strength. Always taking technology as first productivity, our companies insist on the philosophy of "technology-oriented, person-oriented". Our companies have R & D center for organic pigments, in which there are over 50 engineers with medium or senior professional titles, assistant engineers and technicians.

Our companies have also established cooperative relationships with domestic key colleges and universities in the development and research of new products. The research, development and production of high-grade organic pigments such as benzimidazolone series have filled domestic vacuum. Our products have been exported and well received by clients abroad. Meanwhile, our companies have also established technical and engineering cooperative with large companies in the US, Germany, Korea and Taiwan, by which our companies have obtained internationally advanced technologies.