Prefab Workshop low price Steel Fabrication Layout Workshop     production introduct Company Name Qingdao senwang steel structure building stock Co.,ltd Address No.860,heilongjiang Road,qingdao  city,Shandong,China Employee 1580 R&D Staff 680 Main Product Steel Structure warehouse and workshop ,Space Frame,Prefabricated House,Steel container house and all kinds of steel building materials  Production Lines 28 production lines of light steel,heavy steel,space frame and tube truss. 13 production lines of color steel plate,curtain wall and other envelope structures. Equipment CNC pipe cutting machine, CNC hydrauic shearing machine, Hydraulic sheet metal blending machine, Gantry submerged arc welding machine, Corrugated sheet molding machine, Shot blasting machine, Punching machine,Drilling Machine, Forging machine, H-section assembly machine,Straightener etc. Lead Time 15-30 days  Payment Terms T/T or L/C Material   The main frame (columns and beams)is made of welded H-style steel.   The columns are connected to the foundation by pre-embeddding anchor bolt.   The beams and columns, beams and beams are connected with high intensity bolts.   The wall and roof are made of color steel board or color steel sandwich panels, which are connected with the purlin by self-tapping nails.   Doors and windows can be designed at anywhere which can be made into normal type, sliding type or roll up type with material of PVC, metal, alloy aluminum, sandwich panel (EPS, PU, Fiberglass sandwich panel and rock sandwich panel) and others.   Detailed Images Welcome to know other related products Features   1. Light weight: Save cost 2. Easy installation 3. Safety: Fire-proof materials 4. Good sound insulation 5. Meet specials designs due to it is easy to form and cut   Application   Warehouse, temporary office/buiding, gymansia, villa, mobile building, guard booth, wall & roof materials for steel building or structure. Packaging & Shipping     Company Information we are big group factory and have more than 25 years experience of steel structure workshope project The first design&Engineering Service,Excellent product and perfect Has won the praise of customers and want to cooperation with more and more friends and customer  add our team . Our service   1. Professional design and engineering team  Full solution for house design. We could make the design for whole house as per your requirement.   2. Procurement and Manufacture for all material for prefabricated building We have a professional procurement team to make sure all the materials are with good quality. And our factory operation under ISO standard, to make sure the fabrication works with high technology.   3. Site management & Installation supervision  We could send our engineers to help for the installation supervision, you just need to prepare a team which know normal construction works will be OK. FAQ  Q1: What are your main products? A: Our man products have prefab K house, T house, SHS house, H house, container house, light steel structure villa, steel structure warehouse, sentry box, sandwich panel and other constructive materials.   Q2: What will client provide before factory offers good quotation? A: When we receive inquiry from client, client please fills purchasing intention sheet, providing us with information of house dimensions, draft drawing, layout and materials for prefabricated house. We will design the drawings and offer competitive quotation with the above information.   Q3: What are main materials of prefabricated house? A: Our prefabricated house materials mainly include light steel structure, sandwich panel, roof tile, door, window, covers, screws and other accessories.   Q4: How you calculate the total area? A: Industry calculation rule as below: (1) house area = exterior house length X exterior house width X floor (2) canopy area=exterior house length X 1/2 X canopy width (3) staircase area = 4.5 sqm X quantity of staircase (4) corridor area = exterior house length X corridor width (5) total area = (1) + (2) + (3) + (4) + (5)   Q5: What drawing of house will factory supply? A: Plan drawing, elevation drawing, sectional drawing, foundation drawing, installation drawing.   Q6:How many types of sandwich panel do you have? A: We have EPS(polystyrene)sandwich panel, rock wool sandwich panel, and PU(polyurethane)sandwich panel. The characteristics of your sandwich panels respectively: 1.EPS(polystyrene)sandwich panel: thickness is 50mm, 75mm, 100mm. EPS volume weight is 80-200Kg/m3, water-proof. 2.Rock wool sandwich panel: thickness is 50mm, 75mm, 100mm. Rock wool volume weight is 200-400Kg /m3, fire-proof, sound-insulation, heat-preservation. 3.PU(polyurethane)sandwich panel: thickness is 50mm, 75mm, 100mm. PU volume weight is 150-300/m3 water-proof, fire-proof, heat-proof, heat-insulation, heat-preservation, sound-insulation.   Q7: How many colors do your sandwich panels have? A: Offwhite, ivory white, blue, green and red color.