Danyang Wan Cai Industrial & Trading Co. Ltd.
China. Manufactures broad range of diamond and circular saw blades, as well as knives for grasscutting machines. Site provides lists of available sizes of each product line.

Ho Sheng Industrial Corp
Taiwan. Manufacturers of standard and custom designed, single- and double-sided saw blades for industrial uses. English and Chinese.

King Yao Industrial Co., Ltd
Taiwan. Manufacturers of a variety of saw, shear and cutting blades. Also, stamping tools and files.

Ruen Yuan Knives Industry Co., Ltd.
Taiwan. Manufacturer of machine knives, industrial tool grinders, and knives.

Shajeng Hardware Co. Ltd.
Taiwan. Manufactures selection of tungsten carbide tipped hole saws and cutters, as well as adjustable hole cutters and foldable saws. Site describes design and uses of available products.

Yinxian Chengchun tool factory
Manufactures utility knife's, cutter's and screwdriver's.