| 1.Metallurgical material and cast iron pipe |
31.Electric and electrical equipment |
| 2.Oilcoutry tubular goods |
32.Electrical materials |
| 3.Steel |
33.Electrical components |
| 4.Metallic line and cable |
34.Daily electrical appliances |
| 5.Non-ferrous metal and processed materials |
35.Communication equipment |
| 6.Architectural hardwares |
36.Electronic products |
| 7.Oil and oil products |
37.Oilcountry apparatus and instruments |
| 8.Coal |
38.General apparatus and instruments |
| 9.Non-metal architectural materials |
39.Small machines |
| 10.Cement and its products |
40.Tools, measuring device, cutlery and milling tools |
| 11.Wood and its products |
41.Melding materials |
| 12.Oilcountry chemicals |
42.Fastener |
| 13.Catalyzer,promotor,additive |
43.Bearing |
| 14.Rubber and its products |
44.Valve |
| 15.Plastics and its products |
45.Fire fighting equipment |
| 16.Paints and painting dyes |
46.Other mechanical equipment |
| 17.General chemical products |
47.Oilcountry tools |
| 18.Glassware and chemical agent |
48.Fittings for oil drilling and production equipment |
| 19.Explosives and radioactive materials |
49.Specific fittings for refining equipment |
| 20.Light textiles |
50.Textile devices and fittings |
| 21.Labor safety products |
51.Industrial mining fittings |
| 22.Oilcountry equipment |
52.Pipe fittings |
| 23.Specific refining & chemical equipment |
53.Seals |
| 24.Engineering mechanical equipment |
54.Internal combustion engine and tractor accessories |
| 25.Ghoisting & conveying devices |
55.Accessories for heavy duty automobile |
| 26.General mechanical equipment |
56.Common accessories for automobile and motorcycle |
| 27.Metal fabrication machineries |
57.Fittings anddevices for railway and waterway |
| 28.Power equipment |
58.Other mechanical parts |
| 29.Transportation equipment |
59.Packing |
| 30.Textile equipment |
60.Groceries |