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 meters, soil PH meters, soil tensiometers, area testers, intelligence germination chambers, microcomputer automatic seed counters, automatic kjeldahl nitrogen tester systems and other new products. At the same time, as the bright agricultural instruments business agency and developer in China, we also massively deputize and sell overseas advanced instruments. ... more