Hi,we are Golden crystal company that provide processed bird nest, and speciality in broken bird nest since 2003 Our company have partnership to supplied processed bird nest to China, Hong kong, and Taiwan and for our processed broken bird nest we have partner ship with bird nest beverage company from Taiwan. Golden Crystal Company guarantee to provide the product specification, as below: - Origin: Indonesia - Content: 100% natural (no chemical) - Cleanness: 99% - Color: white, no black spot - Style: moisture less than 5% Please do not hesitate to contact us for further information needed. Look forward for the good news in term to work together with you soon. Thank you and have a great day