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Hebei Guanlang Biotechnology Co., Ltd. was founded in 2007 , located in Shijiazhuang city which is the capital of Hebei Province and hub sector among Beijing Tianjin and Hebei and has advantage of convenient transportation . Our co***ny is a modern high-tech chemical enterprise with Research & Development, production and sales.Our co***ny has strong technical strength, advanced equipment, strict quality management system and high-quality after-sales service, adhers to the "customer first and forge ahead" bu...
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