... . EPC 3. LSTK(Lump Sum Turn Key) Breif Introduction:QNP relying on its strong ... provides EPC Project Services and LSTK(Lump Sum Turn Key) service to our clients. EPC Project service includes ... out the necessary commissioning. For LSTK Service, our enterprise shall be fully responsible for the design, procurement, construction ... circumstance, we will not subcontract except for some special projects.