Zhejiang Top Instrument Co., Ltd. is a specialized manufacturer & seller of agriculture and forest measuring instruments. For many years, our company has been concentrated on seed measuring, grain testing, soil examine and related professional agricultural instruments. Up to now, we have developed soil moisture meters, soil compaction meter, soil PH meter, soil tensiometer, area testers, intelligence germination chambers, microcomputer automatic seed counters, automatic kjeldahl nitrogen tester system and other new products. At the same time, as the biggest agricultural instruments business agency and developer in China, we also massive proxies and sales overseas advanced instrument.