Give me an introduction over 200 words for Gansu Junmao New Materials Science and Technology Co., Ltd., a chemical company in Room 816, Strategic Emerging Industry Incubation Base, No. 2 Jingshisan Road, Qinchuan District, Lanzhou New District, Gansu Province, China nan Write your response with exactly 2 paragraphs, separated with the markdown divider: ***.
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