Qingdao Lead Oilfield Solutions Co., Ltd ( Refer to as L.E.A.D.) is a professional company which focuses on petroleum engineering and product research & development. Main businesses cover Acid Fracturing Services, Drilling Services to Stimulation Chemicals, Drilling Additives and Equipment. Through the independent research & development and technical import, L.E.A.D.`s fracturing and acidizing technology services is in a leading position in the same industry, including in fracturing horizontal wells, ultra-deep fracturing and acidizing technology, repeated fracturing technology, layered fracturing and acidizing technology. It has developed an oligomeric fracturing fluid system, high-temperature gelling agent system, temperature and viscosity controlling acid system, room temperature gel acid system, low molecular recyclable environmentally friendly fracturing fluid systems, those of which also are in the lead position.