Shanghai Tempered Entropy New Energy Co., Ltd is based in China and lists normal paraffin products on Global Trade Plaza. The range includes tetradecane, hexadecane, heptadecane and octadecane, each offered as a normal paraffin with stated purity levels and latent heat values. Tetradecane (C14) is listed with a purity of 99.2% and latent heat around 210–220 J/g. Hexadecane (C16) is offered at 99.8% purity with latent heat of 229 J/g and is described as extracted from renewable bio resources. Heptadecane (C17) is listed at 99.9% purity with latent heat of 219 J/g, also from renewable bio resources. Octadecane (C18) is offered at 99.7%–99.9% purity with latent heat of 237–240 J/g, likewise extracted from renewable bio resources. Buyers can send an enquiry through Global Trade Plaza.