花园生物：公司与帝斯曼签订的25-羟基VD3采购价格基本稳定，普通VD3没有长协合同

Group 1 - The company has signed a long-term contract with DSM for the procurement of 25-hydroxy VD3, with stable pricing [2] - The pricing for ordinary VD3 does not have a long-term contract [2]