china el acido citrico weifang ensign industry co Citric Acid monohydrate citric acid anhydrous

citric acid ttca (monohydrate/anhydrous)

1. Quality control--we will monitor the product quality from booking order to delivery.
2. After-sales service---we will be responsible for the goods when clients receive it within 3 months.
3. Sample testing--free sample for test before shipment is available. after shipment, the batch sample will be kept until the expiry date.
4. Fast delivery--prompt shipment with full and professional documents.
5. Professinal loading---we will take pictures before and after loading as proof for clients' review.
6. Special service---we can tailor the shipping marks as per clients' requirements