You may concern: 1.What certificate do you have? We have 30 patents and ISO9000 certificate. 2.What service can you offer? The delivery term we can accept:FOB,CIF,EXW. The currency we can accept:USD,CNY. The payment term we can accept:T/T,L/C,credit card. The language we use:English and Chinese. 3.Can you offer OEM and ODM service? Yes, we welcome OEM/ODM orders. 4.Can we visit your factory? Welcome your visit to our factory. 5.Are you factory or trading company? We are factory,and we have the right of exporting, that is to say, we are the pattern of factory+trading. 6.How long will be your lead time? Normally, we will delivery the goods within 30days after the payment received. 7.Can you help us to design the packing ? Yes, we can. We have professional designers, so we can do whatever packing style as per your demand.Packaging Details:bulk/bundle Port:Tianjin Port ,China Lead time:

Quantity(square meters)	1 - 100	101 - 300	301 - 500	>500
Lead time (days)	15	20	25	To be negotiated

 Steel Grade: Q235B Place of Origin: Hebei, China Type: Heavy duty Application: steel construction roofing Tolerance:±1% Processing Service: Welding, Decoiling, Cutting style: ball fastened structure shape: customized Application Fields: Warehouse,gas station,exhibition center ,auditorium etc. Main frame:H-shape Steel Beam Material: Q235B main material:steel tube feature: ball and bolts fastened advantage:super bearing load,wind resistance rating,anti-seismic rating finish:paintingSupply Ability:500 Square Meter/Square Meters per DaySphere net rack construction is newly developed roof bearing structure, it can bear pressure from any direction. It has  nice and whole appearance, large span, perfect anti-seismic performance. It is fastened with strong bolts, so it is convenient to install. Nowadays it has been widely used in roof construction such as stadium,warehouse, and so on.