Sodium hydrosulfide43%----47% CAS NO.16721-80-5

Shandong Chambroad Holding Co., Ltd. is located in Boxing, Shandong Province in China, the hometown of Dongyong, a famous dutiful son in Han Dynasty. Preparation of setting up the company was initiated in 1988. After three years’ effort, construction commenced, and the company officially went into production in 1991.
           Chambroad Holding is a large-scale private enterprise that integrates science and industry with trade, covering such industrial fields as petrochemicals, fine chemicals, bio-chemicals, plant fibers, CHP, arts & culture, property, logistics, trade and others. Its annual sales exceed 10 billion Yuan, with a profits tax of over 1 billion Yuan.
            In 2011, Chambroad Holding ranked the 356th among the top 500 Chinese enterprises, the 188th among the top 500 China’s manufacturing companies, and the 10th among the top 500 Chinese chemical companies.
            As a market-oriented company, Chambroad Holding keeps abreast of the market, and adheres to the development strategy of ‘prioritising main line of business in chemistry industry and taking into account other related industries’ Through scientific operation, ever-improving management and ever-growing economic benefits, Chambroad Holding is at a leading position in aspects like corporate cost control and management among companies in the same industry of the country.
           Chambroad Holding has been awarded the ‘National High-tech Enterprise in PRC’, ‘China Outstanding Private Technology Enterprise’, ‘National Outstanding Unit in Corporate Culture Construction’, ‘National Contract Abiding and Trustworthy Enterprise’, and ‘Chinese Private Enterprises Technology Innovation Award’. The company is also a provincial outstanding tax payer, a provincial outstanding enterprise in metrology management, and a unit with provincial credit rating AAA .     Chambroad’s Technology R & D centre has been awarded the honorary title of the provincial technology research and development centre. Chambroad is one of the earliest companies in the domestic industry to obtain the certification of the triple (unified) quality management systems, namely, ISO9000, ISO14000 and OHSAS18000.
            A new starting point is meant for a new leap forward. In accordance with the goals stipulated in the medium to long term strategic framework, Chambroad Holding reinforces the corporate’s learning ability and executive capacity, makes full use of talents, technology and management advantages, targets at the high-end market, and accelerates its pace of overall development. Chambroad aims to build itself into an enterprise of centuries’ integrity and a brand of centuries’ influence. 

Shandong Efirm Biochemistry and Environmental Protection Co.,Ltd.was founded on January 24, 2011. Our company located in Boxing Economic Development Zone,Binzhou City,Shandong Province,China.It is near Tianjin railway in the north and Lianyungang Railway in the south.It takes about 4 hours to Qingdao Sea Port and Tianjin Sea Port.There is just 150km to Jinan Airport.Water. land and air transportation facilities is very conveniently . 

Efrim's total area is more than 1,000 acres,500 people are working there,including 200 technicist. 
As the largest and most professional sulfide manufacturing base in the world,our main production is Cyanamide .Thiourea,Sodium Hydrosulfide and other fine chemical production. 
Now Thiourea 99.0% Min capacity is 10,000MT per year.And 30,000MT per year's Thiourea production plant is nearing completion,then we will supply more and more high quality thiourea for making Pharmaceutical Intermediates and other high-end production. 

We installed 20,000MT per year's H₂S purification device.So we can supply both Liquid(Purity from 32% to 45%) Sodium Hydrosulfide and Solid(70% Min) one the year's capacity is 30,000MT. 

Cyananmide one the year's capacity is 30,000MT.We can supply both liquid(Purity from 30% to 50%)Cyanamide.Then we will make high quality Cyanamide for making plant growth regulator and fine chemistry.
With high-quality quality,scientific managerment and remarkable service,Shandong Efirm wins the trust and favor both in China and abroad.The productions are selling hotly in Japan,Korea,America,Brazil,Egypt,Russia,Italia and other 20 countries. 
Efirm is working hard to "produce customer-satisfied products, and train society-benefited talents",and striving to be a sulfide production base with global competitive force!

Efirm will serve as a resource utilization to maximize the value of the green card,transitive trust and value,win more local and international partners to working together to create a better future .

Specification: 70% (solid)