Weifang Guanyu Machinery Manufacture Co., Ltd. is a set of development, casting, processing, testing, technical services as one of the specialized enterprises, mainly producing various types of stainless steel valves, quick couplings, pneumatic angle seat valves, and may undertake all types of precision stainless steel Casting business. Widely used for drainage products, food, oil, chemicals, power and pharmaceutical industries
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Weifang Guanyu Machinery Manufacture Co., Ltd. is a set of development, casting, processing, testing, technical services as one of the specialized enterprises, mainly producing various types of stainless steel valves, quick couplings, pneumatic angle seat valves, and may undertake all types of precision stainless steel Casting business. Widely used for drainage products, food, oil, chemicals, power and pharmaceutical industries