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Langfang Weiyuan Trade Co. , Ltd
China
Langfang weiyuan trade co.,ltd is the biggest manufacturer of glass bead in China.It was established in1998, owns 28 product lines for glass beads with the production capability of 100,000tons.
Siam Asphaltic Plant established in 1995. We always strived in research and production on optical and special glass. Our products made from the highest quality of materials and high technology.