We(www.ncmtrailer.com ) can supply the following products as below : 

1. trailer couplers

Selling trailer couplings/couplers in China, 7000lbs,12500lbs ,etc.capacity are available, ball size 2-5/16",designed for 50 degree A-frame tongue,painted finish.

2.  Trailer straight coupler: Size : 2",2-1/2", Capacity 3500lbs,

1-7/8,2-1/2",Capacity:2000lbs,etc.

Color:Chrome or painted finish or oil finish,Type:US type,

3.  Trailer coupler: Size:50mm,2-1/2",3500lbs,Color: Chrome or power coating ,Type: EU type,Steel board thickness:3mm,2.5mm

4.    Hitch ball: ball size: 1-7/8",2",2-5/16", etc. Color : Chrome,

surface treating passed CASS TEST,Salt Spray Test 22hrs, No red rust,V-5, Type : US type

5.     Ball mount : with one & two & three balls :ball's size can be choosed,color: power coating and chrome,

6.  wheel hubs

Selling wheel hubs for trailers in China. The materials are ductile cast irons or steels. Galvanized Hubs, 4-5 studs. PCD 4" or 4.5" .Bearing type is roller. Axle capacity 750kgs,1000kgs,1500kgs,etc.Surface treatment: spray-painting or zinc-plated.

7 . hitch balls

To sell different hitch balls for various trailers in china,Ball Dia.1-7/8",2",2-5/16",Shank Dia.3/4",1",1-1/4",Shank Length 1-3/4",2-1/2",2-1/8",2-1/4",2-1/8",2-3/4",etc. are available.

8. square jack

We are making and exporting heavy-duty square jack in China. Capacity 2000kgs,5000kgs,8000kgs,etc.net weight : 16kgs,32kgs,etc.Max. Height : 1540mm,1240mm,etc. style : plate ,etc. which are available.

 9. brake drums

To supply brake drums from China. Materials:grey cast iron, Surface treatment: zinc-plated or spray-painting . Brake Dia.:160mm,250mm,203mm,200mm,250mm,Shoes width : 35mm,40mm,50mm,Number of Studs : 4 or 5,Stud Size : 7/16",3/8",M12,M14,5/8",PCD :101.6mm,165.1mm,152.4mm,139.7mm,165.1mm,Brake Type: Knott.

10. worm & worm wheels

We can supply all the specifications for worm & worm wheels in China. Pls tell us the following to quote you : 1.Worm : the outer diameter, the modulus for gear,the number of heads and gear depth . 2. Worm wheel : the outer diameter , the inner holes & width,the length and the teeth,etc.
11. wheel rims

To export wheel rims to different countries in China, Various specifications (for tube type and for tubeless ) are available . Disc thickness & vertilation hole & weight can be made according to customer´s request.

 If you need wheel hubs,brake drums,couplers,wheel rims,hitch balls,square jack,etc., pls contact us for further information .