2004: “ Kaishan Group Certified   Supplier ” 

2004: “PUMA Certified Supplier ”

2006: CE Certified Manufacturer

2006: “INGERSOLL-RAND China Certified Supplier” 

2007-Now:  Been Top 1  compressor controller manufacturer in China

2008: UL Certified Manufacturer

2010: “Liutech Certified Supplier”      

2010: ISO9001:2008 Certification approval

2010: MAM8xx series compressor controller launched 

2010: KY18S/KY08S launched 

2011: Auto testing improves quality and increase efficiency

2013: Growth rate of turnover reaches 17% 
2014:All in one touch screen model MAM6080,MAM6090 has been launched
2016： ISO9001:2015 Certification approval