Zhuzhou reliable manufacturer supply good quality drilling Parabolic buttons

Zhuzhou reliable manufacturer supply good quality drilling Parabolic buttons       Usages:Stone Cutting, Drilling, Abrasive and Carving, Engineering Material, Optical Glass Cutting, Lab Use Super-thin Saw Blade, Semiconductor Cutting, Arts Cutting, Fire-Retardant, Porcelain, Plastics, Laminate Plate    Recommended grade: YG8C, YG11C, YK20, YK25 and so on  We can make suggestions of suitable grades for customers’ usage.     Types:Q0610.Q0812,Q0914.Q1221.Q1320.Q1422,Q2132,Z0812,Z0913,Z1016,Z1219,Z1424,Z1117C,Z1118A with standard sizes and so on   We can meet per customer’s requirements,according to the drawings or pictures you offer.   Advantages of our company:  1.With more than 12 years production experience  2.100% raw material and recycle material  3.Hardness, toughness, wear resistance, durability  4.Strict quality control and assurance system  5.Reasonable price   6.OEM&ODM service   7.ISO9001: 2008 certificate  8.Feedback within 24 hours   9.100% inspected before shipment  10.Fast delivery     Advantage in production  1.Well equipped with the advanced hard-alloy production machines in China.  2.Well-established technical quality control system.  3.Capable of technique exploration and products innovation.   Grade and corresponding performance  

Grade	Equal to ISO Category Number	Performance			usages
		Density	Bend Strength	Hardness
		G/Cm3	N/mm2	HRA
YK25	K40	14-.3-14.6	≥ 2100	≥ 86.5	Qualified for molding the drills for heavy-duty rock drill, detachable bits used for deep hole drilling, rock drill trolley, etc.
YG8C	K20	14.7-14.8	> 2200	> 88.5
YG11C	K40	14.0--14.4	≥ 2060	≥ 86.0
YG15	K40	13.9-14.1	≥ 2020	≥ 86.5	Qualified for hard rock drilling, steel bars with high compression ratios, pipe drawing, punching tools, core cabinet of powder metallurgy automatic molders, etc.
YG6	K20	14.7-15.1	≥1670	≥89.5	Qualified for finish machining and semi-finish machining for the cast iron, non-ferrous metal, alloy and unalloyed materials. Also qualified for wire drawing for the steel and non-ferrous metal, electric drill for geology use and steel drill etc.
YG8	K20-K30	14.6-14.9	≥1840	≥89	Qualified for rough machining of cast iron, non-ferrous metal, nonmetal materials, drawing of steel, non-ferrous metal and pipes, various drills for geology use, tools for machine manufacture and wearing parts.
YG20		13.4-14.8	≥ 2480	≥ 83.5	Qualified for making dies with low impact such as punching watch parts, battery shells, small screw caps, etc.
YG20C		13.4-14.8	≥ 2480	≥ 82.5	Qualified for making moulds of cold heading, cold stamping and cold pressing used for manufacturing standard parts, bearings, etc.

   Company Information Company View                                    Zhuzhou Tongyi Industrial Co.,Ltd is located in the beautiful and convenient Jinshan industrial zone of Zhuzhou,a key transportation center and medium-sized city heavy industry in Hunan province. Production Equipment                       Testing Equipment                             our company is well equipped with the high-level domestic machines for production and inspection.The company has invited famous cemented carbide experts in China as professional consultants and introduced multitudes of specialized talents.Currently,we can already customize the non-standard orders of special material and specification.Besides,the company has passed the ISO9001:2008 international quality system authentication. Production Operation                        To better handle the rapid increase of demand in the domestic cemented carbide market,we will make a further step to develop our products and expand our market,strive to build the company into a competitive private enterprise in the domestic cemented carbide industry and meet the increasing demand to the maximum level. Enterprise Culture                               Enterprise Culture
   The company's quality policy:Quality comes first,Customers are supreme,Technology depends on innovation,Strive for the best.
   The company's quality goal:Creat"tongyi"brand and seek for long-term development.
   Our company advocates and makes great efforts to obey the following moral standards:
   1.Our activities are based on mutual trust.
   2.What we say and write is real and accurate.
   3.Always choose the best way to finish all the takes at a high productivity and quality.
   4.Our honest work is dedicated to the contribution to enterprise and society,as well as to the improvement of our lives'quality. Company Certification                       CertificateISO9001:2008                       Corporate Clients                               FAQ If you have any others question ,pls contact us and we will give you prompt response If you are interested it, pls kindly contact us! Thank u!