1. who are we? We are based in Shandong, China, start from 2016,sell to Domestic Market(90.00%),Southeast Asia(5.00%),South America(3.00%),Eastern Europe(00.00%),Africa(00.00%). There are total about 51-100 people in our office. 2. how can we guarantee quality? Always a pre-production sample before mass production; Always final Inspection before shipment; 3.what can you buy from us? Geomembrane,Geotextile,GCL Liner,3D Composite Drainage Geonet,Composite Geomembrane 4. why should you buy from us not from other suppliers? shandong yibo yangguang engineering materials co., ltd is with more than 20 years in producing geomembrane, geotextile, compsite geomembrane, gcl l iner, etc. we sincerely hope cooperate with you and hope that you can visit our factory to talk more. 5. what services can we provide? Accepted Delivery Terms: FOB,CFR,CIF; Accepted Payment Currency:USD; Accepted Payment Type: null; Language Spoken:English,Chinese We welcome the opportunity to work with you on your next infrastructure project. Send us a message, and our team will get back to you promptly.