---
title: "CHINARES PHARMA introduces new product system for downstream customers under 1,4-Butanediamine"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/283292461.md"
description: "China Resources Pharma's Shenzhou Biotech, a subsidiary of CR Double-Crane, has made significant breakthroughs in the industrial application of synthetic biology. The core product, 1,4-butanediamine, has been successfully integrated into WOTE's newly launched Wouper PA46 bio-based high-performance polyamide material system. This marks the entry of China Resources Pharma's products into the high-performance materials application field. Wouper PA46 boasts multiple excellent properties, making it suitable for high-end manufacturing sectors such as automotive transmission systems and precision electronics, demonstrating strong downstream application potential"
datetime: "2026-04-20T04:08:54.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/283292461.md)
  - [en](https://longbridge.com/en/news/283292461.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/283292461.md)
---

# CHINARES PHARMA introduces new product system for downstream customers under 1,4-Butanediamine

China Resources Pharmaceutical (03320.HK) announced that its business unit China Resources Double-Crane, under the group, has achieved an important breakthrough in the field of synthetic biology industrial application. The core bio-based product 1,4-butanediamine has been successfully introduced into the newly launched Wouper PA46 bio-based high-performance polyamide material system by downstream partner WOTE, marking the official entry of the group's related products into the high-performance materials end application field.

WOTE's Wouper PA46 is positioned as a benchmark product for bio-based high-performance polyamides. This material combines the green attributes of bio-based raw materials with the stringent requirements of high-performance engineering plastics, featuring high strength, low creep, fatigue resistance, wide temperature range wear resistance, self-lubrication, high fluidity, weld resistance, oil resistance, and hydrolysis resistance, making it widely applicable in high-end manufacturing fields such as automotive transmission systems and precision electronics and electrical industries, demonstrating strong downstream application potential

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