8-9. Zhou Hei Ya, the full name of Zhou Hei Ya International Holdings Co., Ltd., is an enterprise specializing in the production, marketing and retail of leisure cooked braised products. Its main business is braised duck, duck by-products, braised red meat, etc. Their duck clavicle is about 20-30g each. In this case, there are about 8-9 190g, but there will be deviations due to different sizes.