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There are four holding and wholly-owned factories under the GRWA Group, of which the "second factory" is particularly special. Different from the high output of the first factory and the high intelligence of the fourth factory, the second factory gives people a " high-tech" feeling. The second factory focuses on the design, development, and manufacturing of automotive three-way catalytic converters, catalysts, and exhaust manifolds.

​At the 2024 Automechanika Shanghai Exhibition, we sincerely invite you to visit the exhibition and experience the extraordinary driving experience brought by the GRWA muffler.

We decided to participate in this exhibition. The product range we will exhibit is mainly automotive exhaust system components and assemblies, including but not limited to the full range of muffler products, as well as tailpipe，flexible pipes, three-way catalytic converter series, and clamp series products.

GRWA mainly engages in the production and sales of OEM and modified automotive parts. Among them, the series of three-way catalytic converters are our advantage products, which have won wide recognition from domestic and foreign markets due to our strong production capacity and scale, stable supply system, advanced product line and service. This article will provide you with detailed information about the various aspects of GRWA's three-way catalytic converter production plant.

Autumn September came, GRWA officially ushered in the annual procurement and production of gold peak season. In this season full of opportunities and challenges, we have fully launched an efficient supply management mechanism, complete the comprehensive production and stock work in advance, ensure t

In this paper, the surface treatment technology, welding process and product types of GRWA stainless steel liner are introduced in detail.

Dear customers and partners: With the continued hot weather in the summer and the recent increase in power supply uncertainty, GRWA factory hereby issues a reminder notice about the high temperature working environment and potential power outage risk, and accordingly adjusts some production delivery

GRWA高性能汽车配件产品一览GRWA’s High Performance Auto Parts Product List消声器系列：消声器-SS201：采用优质不锈钢SS201材质打造，耐腐蚀性强，有效减少发动机噪音，提升驾驶舒适度。消声器-SS304：选用高级不锈钢SS304，具备更强的耐高温与耐腐蚀性能，适用于高性能引擎，提升排气效率同时保持低噪音水平。消声器-SS409：经济实惠的选择，SS409不锈钢材质坚固耐用，适合日常驾驶及轻度改装需求，有效平衡排气声浪与车辆性能。消声器-卡车镀铝：专为卡车设计，镀铝外壳美观且耐候性强，有效降低排气噪音，增强车辆整体质感。消声器-镀铝：融合经典