YONGDUN is a manufacturer specialized in producing fashion, newest, advanced, durable, easy-maintainable, classy and quality shovel pick brazing, welcome to buy discount, and latest design fancy air shovel pick brazing from our factory. We can offer you products warranty and a reasonable price.

Chisel no1

applying：
1.The length of moil point for penumatic hammer of G7,G10,G11,G12,G20,G30,etc. are 250-1500mm
2.Pick brazing is a direct contact and work tools, size and shape on the gas picks has remarkable effect on the productivity of pick brazing shape and length depending on the breakdown of the seam hardness, such as seam the more hard the more short picks brazing, long conversely. Soft seam with crack or the mine is using length of 300-300 - mm, hard and toughening of the seam, use 150-300 mm.