Yongkai R & D team has rich experience in the field of synthetic chemistry, solid professional basic knowledge, proficient experimental operation skills and professional analysis and problem-solving ability, proficient in synthesis route design and optimization, and rich experience in multi-step synthesis and various special reactions, we can provide customized synthesis services timely and efficiently Customized synthesis services including: Fluorination, chlorination, bromination, nitration, azo reaction, reduction reaction, coupling reaction to synthesize speciality molecular compounds.