TARH GOSTAR CO

Manufacturing and production of plastic products for health cosmetic and pharmaceutical industries

TARH GOSTAR CO

Manufacturing and production of plastic products for health cosmetic and pharmaceutical industries

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Injection Department

Our Injection Department produces industrial and consumer plastic parts with modern machines and skilled operators. With 11 semi- and fully automatic injection machines from 80 to 250 tons, precise mold and material temperature control, and materials such as ABS, PP, PS, PA & PC, we deliver consistent quality at mass-production scale.

Injection Department

Our Injection Department produces industrial and consumer plastic parts with modern machines and skilled operators. With 11 semi- and fully automatic injection machines from 80 to 250 tons, precise mold and material temperature control, and materials such as ABS, PP, PS, PA & PC, we deliver consistent quality at mass-production scale.

Injection Product Portfolio

Precision-Molded Containers for Industrial Applications

The Injection Product Portfolio represents Tarh Gostar’s integrated approach to polymer processing, precision mold engineering & controlled mass production. Each container is developed through optimized material selection, accurate mold design & stable injection parameters to achieve dimensional accuracy, structural integrity & consistent surface finish. From small-volume pharmaceutical bottles to larger hygienic & cosmetic containers, production is executed under monitored cycle control, repeatable cavity balance & calibrated cooling systems to ensure uniform wall distribution & long-term mechanical stability. Our facilities are structured to support high-volume output while maintaining strict tolerances, hygienic compliance & production traceability. This portfolio reflects not only manufacturing capacity, but technical discipline, operational stability & scalable reliability designed to meet industrial demands with consistent quality performance.

Tip & Cap Set – Injection Molding container made by Tarh Gostar
Injection Molding

Tip & Cap Set

Process Type:

Injection Molding

Double-Layer Nylon Packaging

Pack Quantity:

65

Units

Dispensing tip and ribbed screw cap set made by injection molding, with a pointed nozzle for accurate application and a cap that reseals the pack tightly. Precise tolerances ensure a leak-free, secure assembly, ideal for pharmaceutical drops, adhesives and small-volume cosmetic liquids.
Conical Dropper Tips – Injection Molding container made by Tarh Gostar
Injection Molding

Conical Dropper Tips

Process Type:

Injection Molding

Double-Layer Nylon Packaging

Pack Quantity:

65

Units

Conical dropper tips produced by injection molding, with a long tapered spout for precise, well-targeted application and a collar that seats securely on the bottle. Consistent bore dimensions give a uniform drop size, suited to pharmaceutical drops, oils and concentrated cosmetic formulas.
Press-In Dropper Tips – Injection Molding container made by Tarh Gostar
Injection Molding

Press-In Dropper Tips

Process Type:

Injection Molding

Double-Layer Nylon Packaging

Pack Quantity:

65

Units

Press-in dropper inserts made by injection molding, with a ribbed body that locks firmly into the bottle neck and a precise, fine-bore nozzle tip. They deliver accurate and repeatable drop dosing without leakage, ideal for ophthalmic, nasal and otic pharmaceuticals and liquid cosmetics alike.
Stepped Dropper Insert – Injection Molding container made by Tarh Gostar
Injection Molding

Stepped Dropper Insert

Process Type:

Injection Molding

Double-Layer Nylon Packaging

Pack Quantity:

65

Units

Dropper insert produced by injection molding, with a stepped, press-fit body that seals securely and evenly inside the bottle neck. The fine conical nozzle meters liquid in controlled, repeatable drops without leakage or waste, well suited to eye drops, ear drops and cosmetic serum formulas.
Dropper Plug Set – Injection Molding container made by Tarh Gostar
Injection Molding

Dropper Plug Set

Process Type:

Injection Molding

Double-Layer Nylon Packaging

Pack Quantity:

65

Units

Injection-molded dropper plug and cap set with a calibrated centre orifice that regulates the flow to precise single drops. The plug press-fits into the bottle neck for a leak-tight seal, and the matching screw cap protects the tip, ideal for pharmaceutical solutions and essential oil products.
Dropper Nozzle Set – Injection Molding container made by Tarh Gostar
Injection Molding

Dropper Nozzle Set

Process Type:

Injection Molding

Double-Layer Nylon Packaging

Pack Quantity:

65

Units

Dropper nozzle and screw cap set made by injection molding, with a tamper-evident ring that confirms the pack is unopened. The tapered nozzle delivers precise drop-by-drop dispensing, while the ribbed cap reseals tightly after each use, suited to pharmaceutical drops and cosmetic serums.
Nozzle & Cap Set – Injection Molding container made by Tarh Gostar
Injection Molding

Nozzle & Cap Set

Process Type:

Injection Molding

Double-Layer Nylon Packaging

Pack Quantity:

65

Units

Injection-molded nozzle closure set combining a precision dispensing tip with a ribbed screw cap for secure, repeated resealing. The fine-bore nozzle gives controlled, clean and drip-free dosing, ideal for eye, ear and nasal drops, adhesives and concentrated cosmetic or pharmaceutical liquids.
Ribbed Screw Caps – Injection Molding container made by Tarh Gostar
Injection Molding

Ribbed Screw Caps

Process Type:

Injection Molding

Double-Layer Nylon Packaging

Pack Quantity:

65

Units

Ribbed screw caps made by injection molding, with vertical knurling on the outer wall for a secure, confident grip during opening and closing. Precise internal threads and a flat, even sealing face ensure a tight fit, suited to pharmaceutical bottles, hygienic products and cosmetic containers.
Smooth Screw Caps – Injection Molding container made by Tarh Gostar
Injection Molding

Smooth Screw Caps

Process Type:

Injection Molding

Double-Layer Nylon Packaging

Pack Quantity:

65

Units

Smooth screw caps produced by injection molding, with accurate internal threads for a consistent, leak-resistant closure every time. The clean, smooth outer surface suits printing or labelling, and uniform dimensions allow fast automated capping for pharmaceutical and cosmetic bottles alike.
Tamper-Evident Caps – Injection Molding container made by Tarh Gostar
Injection Molding

Tamper-Evident Caps

Process Type:

Injection Molding

Double-Layer Nylon Packaging

Pack Quantity:

65

Units

Tamper-evident screw caps made by injection molding, with a breakable security ring that shows clearly whether the pack has been opened. A ribbed outer wall gives a firm, non-slip grip, and precise inner threads ensure a tight seal for pharmaceutical syrups and sensitive liquid products.
Twist-Up Stick Tube – Injection Molding container made by Tarh Gostar
Injection Molding

Twist-Up Stick Tube

Process Type:

Injection Molding

Double-Layer Nylon Packaging

Pack Quantity:

65

Units

Twist-up stick tube produced by injection molding, with a close-fitting cap and a mechanism that advances the product smoothly. Precise component tolerances ensure a secure, clean and dust-free closure, suited to lip balms, deodorant sticks and pharmaceutical or cosmetic stick formulations.
Flip-Top Caps – Injection Molding container made by Tarh Gostar
Injection Molding

Flip-Top Caps

Process Type:

Injection Molding

Double-Layer Nylon Packaging

Pack Quantity:

65

Units

Flip-top dispensing caps made by injection molding, available in several colours, with an integrated living hinge that opens and snaps shut with one hand. The precise orifice controls product flow, ideal for shampoos, lotions, gels and hygienic liquids on everyday personal-care packaging.
Stick Applicator – Injection Molding container made by Tarh Gostar
Injection Molding

Stick Applicator

Process Type:

Injection Molding

Double-Layer Nylon Packaging

Pack Quantity:

65

Units

Injection-molded stick applicator assembly with a protective overcap and a fitted collar, built from precisely fitting components for smooth, reliable operation. Tight tolerances keep every part aligned and secure, suited to lip balms, solid perfumes and other solid cosmetic stick formulations.
Double-Wall Jars – Injection Molding container made by Tarh Gostar
Injection Molding

Double-Wall Jars

Process Type:

Injection Molding

Double-Layer Nylon Packaging

Pack Quantity:

65

Units

Double-wall cosmetic jars produced by injection molding, pairing a rigid outer shell with a separate inner cup for a premium, weighty appearance. Precise threads give a secure, even lid fit, and the smooth, easy-clean walls suit creams, balms, gels and powders in skin-care and beauty ranges.