Hangzhou E cool refrigeration Co.,Ltd has been a preferred manufacturer in the field of r417a refrigerant-refrigerant gas r134a. Based on the cost-effective principle, we endeavor to reduce costs in the design phase and we conduct price negotiation with suppliers while selecting the raw materials. We fine-tune all the significant factors to ensure truly efficient and cost-saving production. . To increase the awareness of our brand - Arkool, we have made lots of efforts. We actively collect feedback from customers on our products through questionnaires, emails, social media, and other ways and then make improvements according to the findings. Such action not only helps us improve the quality of our brand but also increases the interaction between customers and us.. We have built a strong customer service team - a team of professionals with the right skills. We organize training sessions for them to improve their skills such as excellent communication skills. Thus we are able to convey what we mean in a positive way to customers and provide them with the required products at Arkool Refrigeration in an efficient manner..