LS Group, (former Lanzhou Petrochemical Machinery Works) founded in 1953 as the national machinery base for petrochemical industry of China.

On the basis of >50years of development, LS today has 25 subsidary companies with more than 6000 employeesis. LS not only became the most well-known brand among oilfields and petrochemical plants worldwide, but also developed businesses in many other fields like international engineering and trading service, real eastate, new energy, etc.

LS has the sound and reliable QC system which has been approved nationally and internationally. LS has certificates/licenses of ISO9000/ISO14000/ISO18000, API, ASME, NBBI, etc.