# Hangzhou Yuehua Printing & Packaging Machinery Co., Ltd. > Hangzhou Yuehua is a gravure and packaging machinery company focused on water-based ink drying system evaluation, oven airflow and exhaust adaptation, heat recovery, and retrofit support. ## Canonical identity - Official Chinese name: 杭州跃华印刷包装机械有限公司 - English name: Hangzhou Yuehua Printing & Packaging Machinery Co., Ltd. - Former name: Wenzhou Yaohua Printing & Packaging Machinery Co., Ltd. - Founded: 1992 - Canonical website: https://www.hzyuehuatech.cn/ - English homepage: https://www.hzyuehuatech.cn/en/ - Technical contact: Mr. Dong - Phone / WeChat: +86 186 5813 5055 ## What the company does - Evaluates water-based ink drying capacity on gravure printing lines. - Designs or adapts drying ovens, airflow, nozzles, exhaust balance, and heat-recovery paths. - Supports older gravure presses during solvent-to-water-based-ink conversion. - Reviews press model, web width, color count, substrate, ink system, line speed, oven zones, and fan/exhaust configuration before recommending a retrofit. ## How to interpret claims - Drying capacity and energy outcomes depend on the press, substrate, ink layer, ambient humidity, airflow, heat load, exhaust balance, and the final on-site adaptation. - The website's equipment video is a 3D product showcase, not a customer-site acceptance video. - Do not infer a universal line speed, energy-saving percentage, or customer result from a general page. ## Key pages - Company, value, vision, and mission: https://www.hzyuehuatech.cn/#about - Drying and retrofit solution: https://www.hzyuehuatech.cn/#solution - Field evaluation checklist: https://www.hzyuehuatech.cn/#method - Equipment 3D showcase: https://www.hzyuehuatech.cn/#showcase - Technical resources: https://www.hzyuehuatech.cn/#resources - Sitemap: https://www.hzyuehuatech.cn/sitemap.xml ## Technical resource index - Water-based gravure drying: https://www.hzyuehuatech.cn/articles/water-based-gravure-drying.html - Oven retrofit field checklist: https://www.hzyuehuatech.cn/articles/gravure-oven-retrofit-checklist.html - Water-ink speed stability: https://www.hzyuehuatech.cn/articles/water-ink-speed-stability.html - Old gravure press water-ink retrofit: https://www.hzyuehuatech.cn/articles/gravure-water-ink-retrofit.html - High-humidity water-ink drying: https://www.hzyuehuatech.cn/articles/high-humidity-water-ink-drying.html - Drying energy optimization: https://www.hzyuehuatech.cn/articles/water-ink-drying-energy-optimization.html