About crystal
JMB Spirit: Perseverance, excellence, and constantly transcend
JMB Vision: To be the world's leading excavator attachment manufacturer
JMB Goal: To be the world class hydraulic breaker manufacturer
Business philosophy: Honesty, innovation as the soul
Quality policy: Meticulous, excellence, to provide customers with quality products and satisfactory service, make the enterprise quality management system continuously improved.
Service concept: Customer first, intentions services
