Dalian Replete Science And Technology Co., Ltd. is a high technology company which is specialized in the study, development and production of advanced chromatography analysis products which is famous for liquid oxygen middle trace analysis, total hydrocarbon analysis and so on. The products are specially used for studying, practicing and producing gas chromatograph. The creator of our company- Mr. Xu Changshou, who won the Third Prize of Science and Progress Prize of Chinese Academy of Science with "Oxygen Manufacture Industry Ethyne and Other Hydrocarbon Online Chomatograph Project". We develop the goods with proprietary intellectual property rights. Our GS-101 series gas chromatograph has been accepted by many customers for high tech index, good comprehensive level and reliable quality.