Yunnan, China (Mainland)

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 Optolong Optics Co.,ltd. is a professional manufacturer of optical coatings and optical filters processing in China. Our product covers bandpass filter, fluorescence filter, astronomoy filters,AR coating filters, Bandpass Filters, Edge filters, Longpass Filters, beamspliters and so on. Our company were established in 1999, the plant area cover more than 1,200 square meters and the total investment were more than 2 million dollars. Yulong Optics Co.,ltd has much experiences on filters design and producing.We can design and making various types of filters according to customer requirements.<br />

shandong heze caoxian

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 Caoxian Shuanglong Arts & Crafts Factory, is one of professional companies specialized in handicraft manufacture and sale of articles made of paulownia, willow and straw, and other folk arts & crafts in China.<br /><br />Owing to our high quality and fine sale and after-sales service, we have won a high reputation from loyal customers not only in China but also in overseas market, including Europe, America, Southeast Asia, the Middle East and Africa. All our products are selling well in such areas. We will keep improving our handicraft technology according to the trend of market, and treat our customers as god with thoughtful service for them. <br /><br />Your business is our business. We welcome all clients to come for cooperation with us. Let's hand in hand deal with our bright business. Our keystone products are wooden arts & crafts and straw-made articles, such as boxes, plates, vases, bird houses, book stands, pencil vases and brush pots. With your trust and our ability, we can create a bright marvel.