海新能科：子公司海南环宇主要产品为高凝烃基生物柴油，年产能5万吨

Group 1 - The core viewpoint of the article highlights the ongoing development of the Hainan Free Trade Port and its impact on the company's subsidiary, Hainan Huanyu, which is involved in bioenergy production [2] - Hainan Huanyu's main product is high-congealing hydrocarbon-based biodiesel, with an annual production capacity of 50,000 tons [2] - The company plans to leverage the policies and geographical advantages of the Hainan Free Trade Port to focus on bioenergy business and actively explore development opportunities for high-quality growth [2]