1. who are we?We are based in Hebei, China, start from 2013,sell to Africa(50.00%),Mid East(20.00%),North America(10.00%),Domestic Market(10.00%),Southeast Asia(10.00%). 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?Stud & Track Keel Roll Forming Machine, Wall Angle Roll Forming Machine, Furring Roll Forming Machine, Shutter Door Roll Forming Machine, Stone Coated Roof Sheet Making Machine4. What service can you provide before order?About the pre-sale service. We provide you answers of all your questions on our machines, such as technical parameter, price,payment terms, etc. If you wanna visit our factory and check the machines, we also can send you invitation letter and give you our warmest welcome.5. what services can we provide?Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDP；Accepted Payment Currency:USD,EUR,CAD,HKD,CNY;Accepted Payment Type: T/T,L/C,D/P D/A,Credit Card,Western Union,Cash,Escrow;Language Spoken:English,Chinese,Spanish,Russiancertification:CE TUV BV certification.