China Writing Instruments Manufacturers Suppliers Factory - Customized Writing Instruments

Writing Instruments Manufacturer for Wholesale, OEM and Private Label

Direct-from-Factory Pens, Pencils, Markers, and Highlighters for Distributors, Wholesalers, Retail Chains, and Private-Label Brands.
TutanFly manufactures high-volume writing instruments engineered for performance, shelf life, and brand consistency. We do not just supply standard stationery; we engineer writing systems based on tip metallurgy, ink viscosity, writing length, shelf-life stability, and ocean freight optimization.

Pastel Color Ballpoint Pen
This Pastel color ballpoint pen is a crystal diamond crown metal ballpoint pen. It has a high-end appearance, writes smoothly, and is a practical stationery item. It is suitable for overseas offices and schools and also makes a great gift.
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Oil Pencils for Art
This oil pencils for art is a 2HB model with an eraser at the end. It features a colorful glitter finish, making it suitable as a school gift, as well as for art studies and office sketching. Each pencil is approximately 7.44 inches (18.9
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Waterproof Sign Pen
This Waterproof sign pen is a luxurious, high-end metal gel pen designed for business use. It is suitable for offices, business events, hotels, and meetings. It supports logo customization and serves as a premium writing tool. Its
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Oil Based Waterproof Marker
This Oil Based Waterproof Marker is a 12-color oil-based waterproof pen. It is suitable for artistic drawing, marking, and DIY crafts. Its ink dries quickly and supports logo customization. Ideal for overseas art projects, office work, and
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Double Head Whiteboard Marker
This Double Head Whiteboard Marker is a reusable, erasable colored marker suitable for whiteboards. It is non-magnetic and uses colored ink. Ideal for offices, meeting rooms, homes, companies, schools, classrooms, and training rooms
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Dual Highlighter
This dual highlighter is a 12-color high-gloss gel pen that can also be used for art. It is suitable for students, journaling, and other creative activities. It features fluorescent colors and is ideal for weddings, birthdays, full moon
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Writing Instruments Product

01/

Ballpoint Pens
Tip & Ball: 0.7mm / 1.0mm Tungsten Carbide Ball, Nickel Silver Tip
Ink System: High-viscosity oil-based ink (Writing length: 800m - 1,500m)
Primary Features: Smooth skip-free start, leak-proof twin-ball mechanism, anti-fade
Target Markets: Office high-volume filing, educational supply, promotional giveaways

02/

Gel Ink Pens

Tip & Ball: 0.35mm / 0.5mm / 0.7mm Stainless Steel Needle or Cone Tip
Ink System: Water-based gel ink with quick-dry Japanese pigment
Primary Features: Smudge-proof for left-handers, vibrant color density, steady flow
Target Markets: Retail stationery, journaling, office administration, school supplies

03/

Graphite & Color Pencils
Core & Wood: HB / 2B / 2H lead core, break-resistant SV bonding; Linden wood or Resin body
Primary Features: Non-toxic coating, easy sharpening, consistent dark graphite transfer
Target Markets: School district procurement, art supply retail, standardized testing

04/

Permanent Markers
Tip & Ink: Fine / Chisel / Bullet acrylic fiber nib; Fast-drying alcohol-based ink
Primary Features: Waterproof, rub-resistant, multi-surface adhesion (metal, plastic, glass)
Target Markets: Logistics labeling, warehouse operations, industrial marking, DIY

05/

Whiteboard Markers
Tip & Ink: 2.0mm - 5.0mm Bullet or Chisel polyester nib; Low-odor erasable ink
Primary Features: Extended Cap-off time (up to 48 hours), residue-free dry wiping
Target Markets: School classrooms, corporate conference rooms, training centers

06/

Highlighters
Tip & Ink: 1.0mm - 4.0mm Chisel nib; Water-based fluorescent ink
Primary Features: No bleed-through on standard 70gsm/80gsm paper, fade-resistant
Target Markets: Student study sets, office document highlighting, retail pen towers

Technical and Material Selection Guide

Ink Viscosity and Writing Length Specifications

Oil-Based Ink: High viscosity ensures long shelf life (2+ years) and high writing length (up to 1,500 meters). Best for mass-market economical programs.
Gel Ink: Medium viscosity provides ultra-smooth line glide with instant color release. Requires air-tight cap sealing or wax-sealed tip points during storage.
Alcohol-Based Marker Ink: Fast-drying formulation for non-porous surfaces. Requires high-barrier PP barrels to prevent ink evaporation.

Barrel Material and Construction Options

Polypropylene (PP): Highly chemical-resistant, low vapor transmission rate. Ideal for permanent and whiteboard markers requiring long cap-off performance.
Acrylonitrile Butadiene Styrene (ABS): Rigid, impact-resistant, high-gloss surface. Perfect for premium gel pens and retractable ballpoint pen barrels.
Soft-Touch Rubber Grip: Co-extruded or fitted TPR grip zones to reduce writing fatigue for school and intensive office use.

Refill and Tip Assembly Metallurgy

Tungsten Carbide Balls: Provides extreme hardness and wear resistance, preventing line broadening over extended writing length.
Nickel Silver vs. Stainless Steel Tips: Stainless steel offers higher corrosion resistance against aggressive water-based gel inks, while Nickel Silver provides cost-effective precision for oil-based refills.

Quality Assurance and Factory Qc Standards

Every mass production run is tested against your approved Pre-Production Sample (PPS) using automated testing equipment:

Automated Writing Tester: Verifies writing length, ink flow continuity, and line weight under standard pressure (150g - 200g angle writing).

Leakage and Vacuum Test: Simulates air freight pressure drops to ensure pen barrels and refills do not leak during transport.

Cap-Off and Drying Test: Measures marker nib survival time when left uncapped under standard ambient humidity and temperature.

Non-Toxic and Safety Compliance: Raw materials verified compliant with ASTM D-4236, EN 71-3 (Heavy Metal Migration), and REACH SVHC standards.

Drop and Impact Test: Verifies internal refill seal and clip strength after 1.5-meter drop onto concrete surface.

Custom Oem and Private Label Capabilities

We provide full contract manufacturing for private-label brands and retail chains:

Custom Barrel Finishing

Soft-touch matte coating, metallic spray finish, full-wrap heat transfer printing, silkscreen logo, and pad printing.

Custom Color Matching

Barrel and ink colors extruded to match exact Pantone (PMS) reference numbers.

Retail Packaging Systems

Blister cards, color display boxes, PVC pouches, polybags with header cards, and retail counter display units (CDU).

Barcode and Logistics Labeling

Fully integrated GS1 barcode printing, inner pack carton labeling, and Amazon FBA label compliance.

FAQ

Q: What is the standard shelf life of your writing instruments?

A: Ballpoint pens and graphite pencils have a shelf life of 24 to 36 months. Gel pens and markers maintain optimal performance for 18 to 24 months when stored in cool, dry conditions.

Q: Can you provide safety test reports for school procurement?

A: Yes. We provide full material safety data sheets (MSDS) and third-party test reports (EN 71, ASTM D-4236, REACH) for educational and children's product lines upon request.

Q: How do you protect pen tips from drying out during ocean shipping?

A: Gel pens and fine-line markers are fitted with protective wax tips or hermetically sealed inner polybags to prevent ink evaporation during long ocean transit times.

Q: What is the typical Minimum Order Quantity (MOQ) for custom Pantone colors?

A: Custom barrel color extrusion typically requires an MOQ of 10,000 to 20,000 units per color, depending on the pen model and component complexity.

As one of the most professional writing instruments manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to wholesale bulk customized writing instruments made in China here from our factory. Contact us for quotation and free sample.

Waterproof Sign Pen, Double Head Whiteboard Marker, writing instruments