FAQ 1.who are we? We are based in Guangdong, China, start from 2021,There are total about 51-100 people in our office. 2. how can we guarantee quality? Always a pre-production sample before mass production; Always final Inspection before shipment; 3.what can you buy from us? Central air conditioning accessories,Module machine accessories,Chiller accessories,Variable frequency air conditioning accessories,Multi line air conditioning accessories 4. why should you buy from us not from other suppliers? We have 20 years of maintenance technology experience, engaged in wholesale and retail commercial air conditioning accessories for 15 years. 5. what services can we provide? Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES Accepted Payment Currency: USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF; Accepted Payment Type: T/T,L/C,D/P D/A,Credit Card,PayPal,Western Union,Cash,Escrow; Language Spoken: English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian.