자주하는 질문

주문을 확인하는 방법에는 두 가지가 있습니다.:
1. 주문이 확인되면 당사 은행 정보가 포함된 견적 송장이 귀하에게 발송됩니다.. TT로 결제를 준비해주세요 (wire
transfer).
2. Alibaba를 통해 무역 보증 주문 초안이 작성됩니다.. 알리바바를 통해 확인하고 결제하세요. (신용카드).

물론, we can provide free sample , while the shipping cost should undertake by your side.

Within 3 to 5 days after payment confirmed (Chinese holiday are not included).

First, we tested each batch of raw materials, intermediates and finished products in our in-house laboratory; Second, our quality meet HPLC, UV, GC standard and so on in order to reduce the quality problem to near zero.

For larger quantity ,we always provider more reasonable price.

예! OEM is available if you meet our MOQ.