The department of trade is in charge of the business of exportation & importation. The leading business is still the marketing of scientific instrumentation, and meanwhile we also enter into the new business which contains the social benefits and have a good market prospects. Welcome to our website. Our purpose is scientific and technological progress, let us jointly benefit! Recommendation of the professional products: metal detectors for food,metal detectors for clothing,metal detectors for toys,metal detectors for chemical raw materials,metal detectors for drugs,X-ray metal detecting machine,metal detectors for wood,metal detectors for vacuum packaging detecting,metal detectors for aluminums- foiled packaging products.