久久人妻无码精品一区二区三区,真实的国产乱xxxx在线,亚洲熟妇少妇任你躁在线观看无码,三a级做爰片免费观看

Home ? About us

Liaoning Honggang Chemicals Co., Ltd.

Liaoning Honggang Chemicals Co., Ltd. is national hi-tech enterprise to develop and produce perylene pigments, dyestuff and their intermediates since 2011. There are five items of method of preparation perylene pigments obtaining the national invention patents and ten products fill the emptiness inside.

The company is located in Liaoyang Aromatics Base of national industry park. It’s about 130,000 square meters. The company has more than 15 production lines and 30 kinds of perylene products; the total capacity is about 8000 tons every year.

The production lines of 1,8-NSA (3000mt/y); 3,4,9,10-PerAcid (1500mt/y); Pigment Black 32 (280mt/y); Pigment Red 149 (250mt/y) and Pigment Red 179 (200mt/y) already have been the largest production base in China. We also produce Pigment Red 123; Pigment Black 31; Pigment Violet 29; Pigment Red 190; Vat Red 23; Vat Red 29; Sulfur Red 14; 1,8-Naphthostyril; 4-Bromo-1,8-naphthalic anhydride and Perylene.

We have the rights of self-supporting import and export. There are about 55% exports to Europe, North American, Japan, Korea and India, and we also keep good relationship with more than 40 agents in domestic and foreign market.

The company passed the ISO 9001:2015 quality management systems, ISO 14001:2015 Environmental management systems and ISO 45001:2018 Occupational health and safety management systems in 2022, and recognized as national high and new technology enterprise in 2008.

Home

Home

About us

About us

Products

Products

Contact us

Contact us

看全色黄大色大片免费久久| 久久久精品久久久久久96| 国产老熟妇精品观看| 国产午夜精品av一区二区| 久久久国产精华液2023| 日本人妻巨大乳挤奶水免费| 精品久久久无码人妻字幂| 一个人看的免费视频www| 人妻体验按摩调情BD| 18禁裸男晨勃露j毛免费观看| 日本私人噜噜影院| 成人免费无码大片A毛片抽搐| 国产精品成人无码久久久| 欧美激情在线播放| 少妇无码一区二区二三区| 最近高清无吗免费看| 成人免费无遮挡无码黄漫视频| 又爽又黄又无遮挡的视频| 亚洲gv猛男gv无码男同| 无码人妻视频一区二区三区| 体验区试看120秒啪啪免费| 成熟女人毛片www免费版在线| 99久久国产露脸精品竹菊传媒| 久久 国产 尿 小便 嘘嘘| 亚洲 都市 校园 激情 另类| 久久精品熟女亚洲av麻豆| 男男作爱gay69www视频| 无永久免费精品精品永久-夜色| 久久人人槡人妻人人玩夜色av | 国产精品久久久久久岛| 久久av高潮av无码av| 啊灬啊灬快灬高潮了视频| 人妻斩り56歳无码| 成人区人妻精品一区二区不卡网站| 亚洲欧美综合区自拍另类| 毛片亚洲AV无码精品国产午夜| 亚洲精品国产精品国自产观看 | 人妻熟妇乱又伦精品视频中文字幕| 国产精品免费一区二区三区视频| 小蜜被两老头吸奶头在线观看| ass白嫩白嫩的少妇pics|