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Hydroxymethylenone, chemical formula C21H32O3, CAS number 434-07-1. It is a synthetic anabolic steroid derived from dihydrotestosterone. Hydroxymethylenone is a white crystalline powder with no obvious odor. Its basic structure consists of a steroid nucleus and a hydroxyl group attached to the 17th carbon position. The compound is insoluble in water, but soluble in organic solvents such as ethanol and chloroform. Xanthosaurus is classified as a controlled substance and should be handled with caution. It can have adverse effects on the liver and cardiovascular system. When using this compound, it is important to follow the correct dosage and usage guidelines.

Minimum Order: 1 bags

Tadalafil (trade name "Cialis" or "Adcirca") is a PDE5 inhibitor used to treat erectile dysfunction, benign prostatic hypertrophy, and pulmonary hypertension. Tadalafil works by relaxing the vascular muscles and increasing blood flow to the cavernous body. Tadalafil acts by inhibiting the activity of CGMP-specific phosphodiesterase type 5 (PDE5). PDE5 degrades cGMP in the cavernous body that surrounds the penis. Therefore, tadalafil causes an increase in cGMP concentration, which further causes smooth muscle relaxation and increased blood flow to the cavernous body. Some clinical studies have also shown that tadalafil can improve endothelial function in men at increased cardiovascular risk and reduce urinary tract symptoms secondary to benign prostatic hyperplasia. use Analgesics, norepinephrine uptake blockers, μ-opioid receptor agonists. Phosphodiesterase 5 inhibitors. Tadalafil is used to treat erectile dysfunction. Tadalafil is used to treat erectile dysfunction. Phosphodiesterase 5 inhibitors.

Minimum Order: 1 bags

Conilone is a synthetic anabolic androgenic steroid (AAS) belonging to the dihydrotestosterone group. It can be used to treat wasting diseases, burns, osteoporosis, fractures, anemia and even obesity. It can stimulate fat loss without leading to fat-free weight loss, which induces hemoglobin production and red blood cell formation. Kangliron has the following physiological functions: (1) reduce sex hormone binding globulin; (2) Inducing protein synthesis; (3) Maintain nitrogen retention; (4) Increased red blood cells; (5) Inhibition of glucocorticoids. Corylone (trade number 21167) is an analytical reference standard that is classified as an anabolic androgenic steroid. Kangliolong urine excretion is low; Therefore, their metabolites are often used for detection. Preparations containing Corylone are used for the treatment of hereditary angioedema. It is also abused in sports to enhance performance. Conilone is classified as a Schedule III compound in the United States. The product is suitable for research and forensic applications.

Minimum Order: 1 bags

A high efficient bleaching agent, catalyst & antioxidant for different rosin, rosin esters and the derivates. Chemical Name: Para-tert-butylphenol disulfide. Synonym: Poly-tert-butylpheno , l disulfide; Poly-alkyl phenol disulfide; Alkylphenol disulfide oligomer; PARA-tert-butylphenol disulfide polymer; Alkylphenol disulfide polymer sulfur donor; Alkylphenol disulfide polymer; PARA-tertiobutylphenol Disulfide Polymer; Tert-butylphenol disulfide polymer. Application: Bleaching agent OF-9 is alkylphenol disulfide polymer, performs as a multifunctional agent for gum rosin and the derivates as following: 1) Excellent bleaching agent in the disproportionation of rosin or rosin esters.It reduces greatly the color of gum rosin and gum rosin ester. 2) Excellent antioxidant in the disproportionation of rosin or rosin esters, improving the heat resistant and light resistant ability. 3) Excellent catalysts in the disproportionation of rosin or rosin esters, speeding up the reaction. 4) Excellent stabilizer in the disproportionation of rosin or rosin esters, prolonging the stability of gum rosin and rosin ester under light and heat exposure. Advantages: Non-nitros , amine, environement -friendly Lower tackiness to make it easier for stock and handling Lower volatility Lower volatile degradation Excellent antioxidant properties Package:  25kgs/kraft bag; As per customer's request. Storage & Shelf Life: Stored in dry & cool inhouse (below 86 F/30 C) in sealed original containers. 2 years if stored properly.

Minimum Order: 1 bags

Description OF-7 is a polymeric alkyl phenol disulfide, contains unique sulfur donors in the molecular structure, can vulcanize rubber in heated state,  typically used as nitrosamine-free environment-friendly sulfur donating body in the rubber compound formulations, can give excellent mechanical properties, heat aging resistance, excellent dynamic fatigue properties and good operational safety performance. Application OF-7 c , ontains unique sulfur donors, can vulcanize rubber in heated state, giving non-blooming, high tensile strength, excellent heat resistance and dynamic fatigue properties, used as sulfur donor type vulcanizing agent for NR/SR. For the co-vulcanization of different polar rubber, such as NR, CIIR, IIR and EPDM, it provides excellent performance. Can be used in tires, gaskets, belts, automotive hose, damping products. Because containing alkylphenol groups, it has also excellent tackifying and antioxidant effects. Not producing nitrosamines toxic gas during vulcanization, it is an environmentally friendly additive. Reference dosage 0.5-5 phr. Package and Storage In paper/plastic combined sack with inner film bag, 25 kg net each. Store indoor, drying and ventilating, shelf-life 18 months.

Minimum Order: 500

If you are interested in us, you can contact me via Whatsapp: +85268578401 +telegram：+8613315469778 Emai , l: sales03@cn-js.cn Hot Product PMK ethyl glycidate 28578-16-7 Bmk powder/oil 20320-59-6 5449-12-7 273 2732926-26-8N-Desethyl-etonitaz 5CL adbb adba137350-66-4 278 2785346-75-8 Etonitazepyne Nonapeptide-1 158563-45-2 Cagrilintide1415456-99-3 Tirzepa , tide 2023788-19-2 Semaglutide 910463-68-2 Biotinoyl Tripeptide-1 299157-54-3 Palmitoyl pentapeptide-4 214047-00-4

Minimum Order: 11 metres

If you are interested in us, you can contact me via Whatsapp: +85268578401 +telegram：+8613315469778 Emai , l: sales03@cn-js.cn Hot Product PMK ethyl glycidate 28578-16-7 Bmk powder/oil 20320-59-6 5449-12-7 273 2732926-26-8N-Desethyl-etonitaz 5CL adbb adba137350-66-4 278 2785346-75-8 Etonitazepyne Nonapeptide-1 158563-45-2 Cagrilintide1415456-99-3 Tirzepa , tide 2023788-19-2 Semaglutide 910463-68-2 Biotinoyl Tripeptide-1 299157-54-3 Palmitoyl pentapeptide-4 214047-00-4

Minimum Order: 11 metres

If you are interested in us, you can contact me via Whatsapp: +85268578401 +telegram：+8613315469778 Emai , l: sales03@cn-js.cn Hot Product PMK ethyl glycidate 28578-16-7 Bmk powder/oil 20320-59-6 5449-12-7 273 2732926-26-8N-Desethyl-etonitaz 5CL adbb adba137350-66-4 278 2785346-75-8 Etonitazepyne Nonapeptide-1 158563-45-2 Cagrilintide1415456-99-3 Tirzepa , tide 2023788-19-2 Semaglutide 910463-68-2 Biotinoyl Tripeptide-1 299157-54-3 Palmitoyl pentapeptide-4 214047-00-4

Minimum Order: 11 metres

If you are interested in us, you can contact me via Whatsapp: +85268578401 +telegram：+8613315469778 Emai , l: sales03@cn-js.cn Hot Product PMK ethyl glycidate 28578-16-7 Bmk powder/oil 20320-59-6 5449-12-7 273 2732926-26-8N-Desethyl-etonitaz 5CL adbb adba137350-66-4 278 2785346-75-8 Etonitazepyne Nonapeptide-1 158563-45-2 Cagrilintide1415456-99-3 Tirzepa , tide 2023788-19-2 Semaglutide 910463-68-2 Biotinoyl Tripeptide-1 299157-54-3 Palmitoyl pentapeptide-4 214047-00-4

Minimum Order: 11 metres

FNIRSI FNB48S voltmeter ammeter current fast charge tester protocol PD trigger ammeter USB tester QC4 PD3.0 2.0 PPS capacity test tool. FNIRSI-FNB58 PD QC USB tester digital voltmeter ammeter TYPE-C fast charge detection trigger capacity ripple measurement.

Minimum Order: 1 bags

MCH-K305D K303D single channel 0-30V 0-3/5A mini DC power supply, MCH-K303/5D switching power supply with three-digit display, used for repairing mobile phones and laptops. The switching DC power supply adopts a special micro design, which is small in size, light in weight and easy to operate. The regulated switching power supply uses materials that are completely efficient and reliable.

Minimum Order: 1 bags

High Purity Silica Sand Product Description Applying specific quartz mine, High Purity Silica Sand is produced through special pulverizing and purifying process with proprietary technology. The product is featured with superior performance of high purity, low electrical conductivity, accurate size distribution control, low ion content, widely used in quartz glass, optical glass, crucible, spherical silica powder industry. Various size grades of silica sand can be supplied per request. Specification (Size): 20-140mesh, 40-140mesh, 40-200mesh, 60-200mesh, 70-325mesh, etc. Shape: Particles Color: White Performance: Extremely high purity, purity may reach 99.9%, 99.99%, 99.995% Low Chlorine ion Extreme low radioactivity content Technical Index: Item Specification Purity SiO2 99.85~99.995% (customizable) Impurity Fe2O3 1ppm~10ppm(customizable) Al2O3 20ppm~60ppm(customizable) Conductivity EC 1~5μs/cm (customizable) Size Particle Size 20-120mesh, 40-140mesh, 40-200mesh，60- 200meshCustomizable per request

High Reflective Ceramic Granule ——HIREFLE Product Description High reflectance roofing granule is a new energy saving roofing granule specifically designed for building industry by Hebei Chida. It is featured with super high solar reflectance and superior aging resistance, which makes it the ideal material for cool roofing system. It is now widely used in roofing and siding system. Specification: 0.5-2.0mm, 30-70mesh, 325mesh, special grade can be customized per request. Performance: Keeping Building Surfaces cooler. Advantage: Ultra-white High Solar Reflectivity, High UV Opacity Superior Staining Resistance Superior Weathering Resistance Good self-cleaning performance Precise Size Distribution Control Extremely low Dust Low Density, Low Consumption Technical Index Characteristic Solar reflectance Solar reflectance Index Stain Index UV opacity Dust content SR by SSR-ER % SRI * % ΔE** % % PPM Range 82~91 105~115 ≤5 ≥95 ≤300 Typical 88 111 2.5 98.0 100

Mica Powder Product Description Mica is a layered silicate with good elasticity, toughness, insulation, high temperature resistance, acid and alkali resistance, corrosion resistance, and strong adhesion, making it an excellent additive. 20mesh Particle size Bulk density Sand content +20mesh -100mesh 5%max 5%max <0.40g/cc 0.5%max 40mesh Particle size Bulk density Sand content +40mesh -100mesh 5%max 15%max 0.35±0.05g/cc 1%max 60mesh Particle size Bulk density Sand content +60mesh -200mesh 5%max 10%max 0.35±0.05g/cc 1.5%max Shape: Flake or powder Color: White or gray Performance: Mica powder products are widely used in industries such as building materials, resin rubber, engineering plastics, coatings etc. Our company Hebei Chida relies on the rich local mineral resources, Using various types of crushing equipment to produce and supply mica powder products with various particle sizes. especially in the field of low iron and ultrafine mica powder, with our own unique processing technology.