provincial enterprise technologycenter and industrial design center， LTD. Wefocus on RD and manufacturing of natural gas liquefaction equipment， stock code: 300540) wasfounded in 2001 and listed on GEM of Shenzhen Stock Exchange in August 2016. Itis now directly under the Shudao Investment Group Co.， as well as the front technology of hydrogen liquefaction， SichuanShudao Equipment Technology Co.， we also commit to the manufacturingand business operation of hydrogen energy。

helium extraction and liquefaction， transportation and filling。

cryogenic liquid storage and transportation equipment.Under the power of Shudao Investment Group， 62 utility model patents) and 9software Copyrights. ， LTD. (SSET， refinement， charging station (charging pile)。

integrated energy station and other clean energy equipment，liquid air separation equipment，storage， and "Specialization。

industrial gasinvestment and operation and transportation equipment manufacturing services. Weare the drafting unit of the National standard "Design Code for NaturalGas Liquefaction Plant". We have been designing and manufacturing capacityof 6 million Nm³/d of natural gas liquefaction plant and 1000 t/d of liquid airseparation plant， whichproduct technical performance index is at the leading level in China. We areone of the national high-tech enterprise，characteristics and novelty " enterprise in Sichuan Province. We have 96patents (including 34 invention patents，。

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