欧美成人精品第一区|美女裸乳无遮挡的视频|久久无码高潮喷水免费看|婷婷精品国产亚洲AV麻豆|欧美日韩国产免费一区二区|国产精品婷婷丁香激情综合|亚洲av片不卡无码久东京搔|日本精品一区二区三区在线观看

Heze Daji Chemical Technology Co., Ltd. is a technological innovation company that integrates the research and development, production, and sales of fine chemical products.

The company has two major processing and cooperative production bases in Shandong and Henan, specializing in chlorination, bromination, fluorination and other reactions. The main products include halogenated chlorobenzyl, halogenated benzaldehyde, halogenated benzonitrile, halogenated benzoyl chloride, halogenated benzoic acid and other series of products.

We adhere to the concept of continuous innovation and honesty, and sincerely provide high-quality products and services to our customers!