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PolskiHangzhou Rainbow Import & Export Co.,Ltd
In 1992, Zhejiang Sunflower New Material Co., Ltd., the predecessor of the company, was established, specializing in PVP production. Mr. Wu Jiaxiang, the chief expert of the national PVP R&D project, served as the general manager. In 2002, the company was restructured into a private enterprise and established Hangzhou Sunflower Technology Development Co., LTd. (STD), continuing to engage in the R&D and production of PVP series APIs and cosmetic-grade products.
Under the leadership of Wu Jiaxiang, the main founder of PVP in China and a professor-level senior engineer, the company's team has mastered the process and application technologies of dozens of related products and has accumulated a wealth of experience in continuous R&D, engineering practice and marketing since 1979.
Our business philosophy is: "Innovation as the source, service as the basis".
Our product features are: Applicability, professionalism, superiority and sustainability.
1992
Establish
35 Years
Experience
600 Tons
Low Molecular Weight Povidone
800 Tons
High Molecular Weight Povidone
Our History
Zhejiang Sunflower New Material Co.,Ltd. which was predecessor of STD, engaged in PVP, was set up and Mr. Wu Jiaxiang,the chief expert of the state's R&D project for PVP in China, was appointed as the general manager. grade.
Changed into a private company, Hangzhou Sunflower Technology Development Co., LTd.(STD) was set up and continuing the developing and producing PVP series both in technical grade and cosmetic grade.
Zhejiang MY Sunflower Pharmaceutical Co.,Ltd. which is JV of STD was established for production of PVP in Pharm.Grade. GMP workshops were founded for POVIDONE, POVIDONE IODINE and POVIDONE IODINE SOLUTION.
Huzhou Sunflower Polymer Co., Ltd. the subsidiary of STD was founded for the manufacture of Povidone K series, Copovidone, Crospovidone, Povidone iodine and set up new GMP workshop.
SPP expand the factory from 4000M2 to 12,000M2. After that the capacity of 3500tons of powder and 5000tons of liquid products annually till the end of 2011.Huzhou Sunflower Pharmaceutical Co. Ltd.(S-Pharma) was set up on the basis of the pharmaceutical department of (STD). S-Pharma inherits all STD's assets such as facility, technology, products, team, management and trademarks, and focus on the development and producing of pharmaceutical excipients and API's. Led by Mr. Wu Jiaxiang, the main PVP founder in China, the team possessed tens of concerned process and application techniques, gathered 35 years of experience of sustainable R&D, engineering.
Practice and marketing, specially in Polyvinylpyrrolidone series (Povidone, Crosspovidone, Copovidone and Povidone iodinated), Chondroitine Sulfate Sodium series and artificial cultivating of Cordyceps. The company is well known as full range covering, high quality and good service in the industry. The company is widely praised by the customer both at home and abroad.
Our Factory
The company has the GMP production lines of 600 tons annually of Povidone at low molecular weight ( Povidone K12, K15, K17, K25 and K30), 800 tons annually of Povidone at high molecular weight ( Povidone K60, K90, K120), 300 tons annually of Povidone Iodinated with high stability and 100tons annually of Chondroitine Sulfated Sodium. The company also first finished the industrial cultivation of artificial cultivating of Cordyceps and the concerned products are under marketing now. HSP will take pharmaceutical biological products or biological extracts with advantage of techniques or resources as the new development direction
Our Product
Povidone K Series
PVP/Povidone K, a polyvinyl polymer of variable molecular weight; used as a suspending agent, dispersing agent, and carrier for drugs; also used as a blood volume expander.
Copovidone
We're professional tablet binder copovidone cas 25086-89-9 enterprises in China, specialized in providing high quality customized service.
Povdone Iodine
Povidone Iodine is a complex chemical compound consisting of polyvinylpyrrolidone (povidone, PVP) and elemental iodine.
Crospovidone
Synonyms: Crospovidone;Crospovidonum; Insoluble
Are supplied as fine white or almost white powders.
Products Application
APPLICATION (IN INDUSTRY)
K15 K17
Dispersing agent for carbon black pigment.
Enhancement of the non-image area on lithographic plates.
K15 K17 K30
Dye transfer inhibition in detergents
K30
Textile dye stripping and strike rate control
To inhibit sulfide salts redeposition on photo processing
Soil redeposition in laundry detergent.
Latex stabilizer in emulsion polymerization.
K30 K90
Dispersing agent for nonaqueous dye and pigment-based writing ink fluid loss control agents in oil field cementing
Creating voids in Hollow fiber membranes mamif.
Fiber glass sizing agent with PVAc.
Combustible ceramic binders.
Tablet binder for industrial and Parma. Applications.
K60
adhesive for toilet paper rolls
K85 K90
Protective colloid for expandable ps manufacture.adhesives for glue sticks
Component in water-based coating systems for CRT fabrication.
Electro lead hydrogels
Engine stabilization.
K90 K115
Thickeners in metal quenching agent bath.
APPLICATION (IN PHARMACEUTICAL)
SUNVIDONE K (POVIDONE)
HIGH EFFECTIVE TABLET BIDERS
Povidone K30,K25,K90 in common use
Povidone K25 suitable in low viscosity or high concentration solution
Povidone K90 suitable in high viscosity or low concentration solution
SOLUBILIZERS,DISPERSANTS, SUSPERSION STABILIZERS
Povidone K17,K25,K30 for injections etc.
Povidone K25/K30 for oral or external preparations
FILM FORMER / COLORANT DISPERSANTS
Povidone K25/K30 for sugar coating and film coating
THICKENERS
Povidone K90 for liquid preparations
SUNLVIDONE VA (COPOVIDONE)
A HIGH EFECTIVE DRY BINDER very suitable in tableting mixtures by wet granulation tableting mixtures by dry granulation direct compression
A GOOD GRANUTATING BINDER very suitable in production of granulates as a dosage form or for filling into hard gelatin capsules
A NEW FILM FORMING AGENT IN SUGAR COATING/FILM COATING etc. possessing less hydroscopic great elasticity and less tacky, favorably combine with cellulose derivatives
A HIGH EFECTIVE DRY BINDER Possessing fast dissolution for all excipients in any tableting processes, be added before or after granulation, or part before and part after with consistent swelling action and disintegration.
SUNVIDONE CL (CROSPOVIDONE)
A STABILIZER FOR SUSPENSION to physically stabilize oral and topical suspensions by reducing sedimentation rate and increasing its volume and redispersibility, suitable for instant drink powders/granulates or ready to use suspension.
FILTRATION AIDS clarification or purification of aqueous or alcoholic herbal extracts and tinctures as result of forming stable complexes with tannins and polyphenols
Our Certificate
ISO9001:2008
Production Equipment
