Are you a manufacturer or a trader?
We are one of leader manufacturers of Mold Release Agents in China
We supply free sample within 1kg and you got to pay for courier freight cost. The cost we refund to you on bulk order.
Based on your choice, concentrate and ready-to-use are both available for your purchasing.
For sample,we mostly deliver small packages by Fedex/DHL/TNT air cargo with door-to-door service, which are safe and reliable for chemical liquid delivery. For bulk order, sea transportation is our first choice to save shipping cost. We make efforts to satisfy your specify requirements. 
 First, We suggest that everytime you use a small quantity of samples to test. Because the quantity of samples is limited, PLEASE do not use up all the samples for testing in one-time. so you can test samples for many times. If first time testing is not good, then we can have a second chance to adjust the testing process.You should adjust a suitable dilution ratio according to the specific practical testing. 
We have a specific policy for exclusive agent,require to develop market efficiently and good sales volume.