Shandong Sinoak Co., Ltd. was founded in 2008 and is located in Dezhou City, Shandong Province, China. We have successfully passed ISO9001 Quality Management System Certification, ISO14001 Environmental Management System Certification, and ISO45001 Occupational Health and Safety Management System Certification. Our company employs over 80 staff members, including more than 30 experienced technicians and over 10 senior engineers specializing in R&D, covering the full process from design to manufacturing. We specialize in the design and production of precision equipment, including: Fin press production lines (fin dies) Coil bending machines Fully automatic and semi-automatic hairpin benders Straightening and cutting machines for copper or aluminum tubes Vertical and horizontal expanders Portable expanders Tube punching and flaring machines CNC bending machines Automatic return elbow benders Return bender cleaning machines Automatic brazing machines, etc. Our precision equipment is widely applied in the production of air conditioners, refrigerators, HVAC systems, cold storage facilities, and various cooling units. With over 20 years of experience in the industry, our products have been exported to more than 40 countries worldwide. We are a trusted provider of comprehensive solutions for refrigeration system manufacturing. Contact us today to find your complete solution!