Ronsco is an explorer of precision products of special metal materials under the new trend of new materials, new technology, new application and new challenging environment in the 21st century.

As a high-tech metal material company in the modern and future context, corporate culture is the soul, human is the brain of the enterprise, hardcore technology is the heart, innovation ability is the blood, product is to spread hope, service is the nerve antenna to let the enterprise dissolve into the market.

For precision capillary seamless tube, extra thin wall thickness seamless tubes, micro ID and heavy wall tubes, and other special seamless tubes of special metal materials, we have been focusing on them for decades.

Seamless stainless steel pipe is the tube made from stainless steel bar perforated and then cold rolled or cold drawn.

ASTM A312, A269, A213, A790

Grades: 304/L, 316/L

Duplex 2205, 2507 etc

Welded stainless steel pipe is manufactured from stainless steel strip–formed and longitudinally welded to completed pipe.

ASTM A312, A358, A249, A554, A790

Grades: 304/L, 316/L, 347/L,904/L etc