中文字幕无码亚洲字幕成a人,国产欧美va欧美va在线观看,性一交一乱一伦一色一情丿按摩 ,12末发育娇小性色xxxx

永大化工

yongda chemical

ABOUT US

Our company is mainly committed to the production of pesticides, pharmaceutical raw materials, intermediates,
and electronic chemicals, and has a professional hazardous chemical transportation fleet

Xuzhou Yongda Chemical Co., Ltd., founded in April 2004, is located in Sanbao Industrial Park, Tongshan New District, Xuzhou, close to the Beijing Shanghai Railway, Lian Huo Expressway, Beijing Fuzhou Expressway, National Highway 206, and the Beijing Hangzhou Grand Canal. With superior geographical location and convenient transportation, the company has a professional transport fleet of dangerous chemicals, which can ensure quality, quantity, and timely and safe delivery.

MORE>>

products

yongda chemical

Phosphorus trichlori

CAS No.: 7719-12-2
Molecular formula: PCL3

Phosphorus oxychlori

CAS No.: 10025-87-3
Molecular formula: POCL3

Electronic grade pho

CAS No.: 10025-87-3
Molecular formula:

Industrial hydrochlo

CAS No.: 7647-01-0
Molecular formula: HCL

Phosphorus pentoxide

CAS No.: 1314-56-3
Molecular formula: POCL5

Boron trichloride

CAS No.: 10294-34-5
Molecular formula: BCl3

DCE(Trans-1,2 -Dichl

CAS No.: 156-60-5
Molecular formula:

Boron tribromide

CAS No.: 10294-33-4
Molecular formula: BBr3

NEWS

MORE>>

SERVICE

Considerate service

SPEED

Efficient production

SUPERIORITY

Reliable quality

Enterprise Philosophy

ORDER

Dear customer: Welcome to our company website. Please fill in your customized information and contact information, and we will contact you in a timely manner. Looking forward to our cooperation!

Company:

Contact:

Mobile:

Content:

Verification Code:

Corporate Headquarters

■   Address: Room 1604, Didu Building, No. 64 Heping Road, Xuzhou City, Jiangsu Province

■   Postal Code: 221000

■   Tel: +86-516-83905056, 83821199

■   Fax: +86-516-83905057

contact us

Xuzhou Yongda Chemical Co., Ltd.

production base

■   Address: Sanbao Industrial Park, Tongshan County, Xuzhou City

■   Postal Code: 221000

■   Tel: +86-516-85038198

■   Fax: +86-516-85031882

■   Contact: Mr. Zhuang +86-13805216838

■   URL: www.duhuru.com, www.jsydchem.com

■   E-mail: zxl@xzydchem.com

HOME  |   ABOUT US  |   SPEECH  |   PRODUCTS  |   FACTORY  |   NEWS  |   ORDER  |   CONTACT  |   中文版

Copyright(C)2023, Xuzhou Yongda Chemical Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案序號:蘇ICP備09071720號

讲讲和对象第一次的细节知乎| 国产精品久久人妻互换| 下乡供我的发泄村妇| 国产av无码专区亚洲av毛网站| 欧美一进一出抽搐大尺度视频| 永不迷路-黑料正能量在线| 国产xxx农村乱另类| 亚洲麻豆AV无码成人片在线观看 | 国产精品av在线| 被绑在机器上榨精失禁| 99国产欧美久久久精品| 久久狠狠爱亚洲综合影院| 変态奴隷人形ひとみ调教| 国产手机在线精品| 无翼鸟邪恶漫画| 国产精品v欧美精品v日韩精品| 狠狠色噜噜狠狠狠狠色综合久| 亚洲精品又粗又大又爽a片| 三个男人的共妻每天被c| 国内女人喷潮完整视频| 欧美激情综合五月色丁香| 食戟之灵第二季| 免费网站看sm调教打屁股视频| 污视频在线观看| 女寝室一龙战5凤| 善良的小峓子hd完整视频中文| 伸进内衣揉捏她的乳尖视频| 一夜新娘第一季全集免费观看| 含着她两个硕大的乳峰| 熟妇高潮一区二区三区| a级毛片无码免费真人| 人妻丰满熟妇av无码区hd| 小说区图片区偷拍区视频| 青梅被从小摸到大h补课1视频 | 国模杨依粉嫩蝴蝶150p| 野花免费社区在线| 男s严厉调教女m小说| 永不迷路-黑料正能量在线| 亚洲午夜av久久久精品影院色戒| a级毛片毛片免费观看丝瓜| 国产色视频网免费|