Langfang Yelian Trade Co.,Ltd is located in Langfang City, Hebei Province, the main product:Metal hydri de、Lithium aluminium hydride 、Sodium hydride、Calcium hydroxide 、Lithium hydride、Potassium Borohydri de 、Sodium Borohydride、 Lithium tritbutoxyaluminium Hydride、 Lithium tri-sec-Butylborohydride、 Lith ium triethylborohy dride、 Zinc Borohydride、 lithium borohydride、 Sulfide 、Methane sulfonyl cloride; MSC、 Metha nesulfonate、Di methyl Disulfide,DMDS 、Dimethyl Sulfide、Pharmaceutical Chemical、 Ellagic Acid、 Siwa 12-PW A、 Zinc Pyrithio ne、 Copper Pyrithione 、 Pyromellitic acid、 Pyromellitic dianhydride、 Succinic anhydride 、 benzoin、 Glutaric Acid etc.