ude and appreciation to our partners, customers, and staff for their continue support. Mastech shall strive to provide the best services, innovative and product value for our customers. f testing instruments. After 21 years of business development, Mastech has internationally gained a reputation for reliability, durability, high standard of quality, safety, easy use, along with stylish design.



The reason for our success can be attributed to our understanding of clients' needs and providing them with unmatched service excellence. Fr... Established in 1987, Dongguan Huayi Mastech Co., Ltd. (Mastech) manufactures digital multimeters, digital clamp meters, analogue multimeters, power supply and a variety of testing instruments. After 21 years of business development, Mastech has internationally gained a reputation for reliability, durability, high standard of quality, safety, easy use, along with stylish design.



The reason for our success can be attributed to our understanding of clients' needs and providing them with unmatched service excellence. From hobbyist to professional technicians, electricians, engineers, researchers, manufacturers, medical and computer professionals to our partners - whose creditability come from our product's precision, accuracy and reliability.



All our products are designed in accordance with international safety standards and our quality management structure is based on ISO9001 standard. Our products are CE and UL certified after strict testing conducts by TUV and ITS Laboratory. We are one of the biggest manufacturers in this industry with annual output of 2,500,000 units, of which 98% are exported globally.



Our R&D centre is the pilot unit in testing instruments cooperation and has gained a prestige status as one of Chinese testing instruments industry's backbone enterprises.



Mastech is a trusted brand and a brand of choice amongst professional. We would like to express our deepest gratit