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Beijing is a science and technology co., LTD. Is a professional wholesale refrigerant, compressor and refrigeration oil trade type enterprise, sales range throughout the whole of China and southeast Asia export business. Co***ny inventory sufficient, brand, model, packing specification, more can meet the engineering units, maintenance units, universities, scientific research units, such as one-stop shopping. The co***ny all staff in line with the principle of honest and trustworthy, customer first, adhere t...
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