Plastic Pipe Caps for 12" &5" threaded end pipes

we are looking for plastic pipe caps for 12" and 5" threaded end pipes. We are looking for Heavy Duty Plastic Cap / protectors for threaded Steel pipes . based on below details, Send us your detailed quote with delivery time. Also let us know whether you would be able to send us sample to check quality. We will collect by ourselves. (3100ea) 12" Plastic Pipe Cap for 12.75" OD Pipe which has threaded end. (3100ea) 5" Plastic Pipe Cap for 5.5" OD Pipe which has threaded end. 1.could we know more about your company , factory set up, location with full address. 2.also please advice whether the pipe caps that you will provide would be NPT threaded as per standard, else it will be difficult to squueze in the caps to the threaded pipes. 3.Let us know more information about caps - the weight and density of each cap - since we need heavy duty. How will be your packing. What would be total weight and volume of shipment. Will you final packing be done on pallets? If pallets 4.Could you give us an sample [it can be any size], we can collect through our own courier agent to confirm the quality. We need to see an sample before confirming the final order. Send of photos of your earlier production samples. 5. If we confirm order - is it practically possible to get delivery by end february 2010 for both sizes Below is the detailed specification of pipe. 12" Std 40 ERW pipe, 12.75" O.D, 11.938" I.D. 0.406 wall thickness, 53.6 lbs. per foot,pipe grade API 5L B/X42 ASTM A53 Gr B with mill varnish, 19 feet long joints ( 5.7912 meter) male npt threads both ends, 8 threads per inch, threads per ANSI/ASME B1.20.1 (NPT/API) Plastic thread protectors on both ends. 5" Std 40 ERW pipe, 5.563" O.D., 5.047 I.D., 0.258" wall thickness, 14.61 lbs. per foot,pipe grade API 5L B/X42 ASTM A53 Gr B with mill varnish, 19 feet long joints, ( 5.7912 meter) male NPT threads both ends, 8 threads per inch, theads per ANSI/ASME B1.20.1 ( NPT/API) Plastic thread protectors on both ends. Regards, SUNIL CHRISTOPHER, Procurement Manager