The Jinrongyuan Separatory Funnel Extraction and Purification Shaker is developed and manufactured in accordance with the requirements of GB 5009.82-2016 *"National Food Safety Standard - Determination of Vitamin A, D, and E in Foods"*, possesses independent intellectual property rights, and precisely meets the extraction requirements of this national standard.

In the fields of coal, environmental protection, and scientific research testing, the leaching test for coal and coal gangue is a core method for assessing their environmental risks and determining their leaching toxicity. Conducting standardized operations in accordance with GB/T 34230-2017 *"Leaching test method of coal and coal gangue"* is a prerequisite for ensuring data accuracy and reliable conclusions.

   Invited by the Hunan Provincial Environmental Testing Industry Association, Hunan Jinrongyuan Instrument Equipment Co., Ltd. (hereinafter referred to as "Jinrongyuan Instrument") will participate in the Second General Meeting of the Second Session and the Industry Technology Exchange Conference, held on March 6, 2026, at Howard Johnson Joyze Hotel Changsha.

Wishing everyone a joyful Spring Festival, great fortune in the Year of the Horse, and good health and happiness to your whole family!

The Lunar New Year is approaching. At this moment of bidding farewell to the old and welcoming the new, on behalf of the company, I extend my sincerest greetings to all and express heartfelt gratitude to every member of Jinrongyuan and your families. You have all worked hard over the past year!