CHUAN-CHAN and CHUAN-HOME were located in1985 and 1993 respectively, are mainly engaged in civil engineering machinery design, which products are widely used around the world, gaining great approval with quality met international standard.

1. Medium pressure grout pump C-300, C-350, C-500.
2. Grouting mixer (computer, controlled, turbine).
3. Auger and drill head, stretch out and draw back auger, stir auger and stir head.
4. Casing accessories Manufacture and bucket, round shank cotter bits w/holders, tungsten carbides tooth.
5. Accessory for crawler drilling rig, casing bit, drilling bit, enlarge-stir head.
6. Different variety hammer bit, tunnel bit, eccentric bit, blade bit.