ペン、マーカー、文房具製品に関する品質管理、試験、検査、性能チェック。
Did you know that everyday school and office supplies can sometimes hide harmful chemicals? That is why formaldehyde testing in writing products matters for safety. The WHO 2010 indoor-air guidelines for selected pollutants include formaldehyde. They cover exposure in indoor air. They do not set a universal pass limit for writing products. Product testing should […]
At ZH STATIONERY, we believe a great colored pencil is more than wood and pigment. It is a tool for creativity that must be high-performing and safe. As the market moves toward pro-grade goods, knowing quality standards is the key to picking the right supplier. See our home page for the full range. 1. Important
Welcome to the production heart of ZH STATIONERY. As a leading custom marker pen manufacturer, we know global buyers want more than standard products. They need steady factory partners who can deliver consistent quality, room to grow, and tailored OEM/ODM solutions. Based in Tonglu, China, our plant is built to meet the exact specs of
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