CHNFLEX is a specialist company in expansion joints for pipe equipment. We stand for values that are typical of a family-owned company: the spirit of innovation, reliability, continuity and flexibility in thought and action. Since the 2000s, RFJD rubber expansion joints have been an important part of our product portfolio. We are reliable to our customers who count on quality engineered and durable products. Choosing RFJD expansion joints is a sound investment both in terms of performance and the total cost of ownership.