Does one product allow two raw material suppliers?

Declaration data need to be explicitly, raw material suppliers for products if there are two suppliers of raw materials the same kinds of raw materials, the applicant should be provided for the two suppliers of raw materials procurement control respectively (relating to the declaration of materials including raw material suppliers and the quality of the product production enterprise agreement, raw material quality control standards, raw material inspection report, raw material supplier qualification, etc.), products of different source materials, respectively, for performance verification/identification and risk assessment (including biocompatibility evaluation), in order to ensure consistency of product performance of two kinds of source materials, and conform to the requirements of the safe and effective. When necessary, the production enterprise also needs to carry on the field audit to the raw material supplier.