Greatwallbuy (ShenZhen) Co, .Ltd is a specialized manufacture for all kinds of Herbal health food under GMP standard. Our Plant is located in Guangdong Province of China . The area covers nearly 1500 square metres, with almost 500 employees here. We always focus on promoting our R&D department, and invest huge money on advanced equipment for our producing. we are one of the fastest-growing companies in China and the leader in this field as well. Our factory has been licensed GMP , GD FDA etc. we can offer the high-quality OEM & ODM services. Pills with different form: solid capsule, soft gel & tablets . Packages with private label, unique design : bottle, blister, flat foil pack , foil bag, shrink wrap . cooperating with us , you will feel that our service is wholehearted and the price is competitive. Our company aim is : To benefit you with the most green & natural Sources.