Question 1

Yes — our verified Alibaba storefront links to Dongguan Zhongjia Printing Co., Ltd. (Zonja), official site www.zonja.com.cn. Feel free to cross-check our business license and ISO certificates; I can send scanned copies. Which email should I send the company profile to?

Accepted Answer

Yes — our verified Alibaba storefront links to Dongguan Zhongjia Printing Co., Ltd. (Zonja), official site www.zonja.com.cn. Feel free to cross-check our business license and ISO certificates; I can send scanned copies. Which email should I send the company profile to?

Question 2

The company was founded in 2009, with roots back to 2006 — over 17 years focused on precision printing. Our engineering team has handled HMI projects across medical, industrial and automotive fields. Is your project in one of these areas? I can share a similar case.

Accepted Answer

The company was founded in 2009, with roots back to 2006 — over 17 years focused on precision printing. Our engineering team has handled HMI projects across medical, industrial and automotive fields. Is your project in one of these areas? I can share a similar case.

Question 3

Yes — 500 pcs is a normal batch for industrial projects. Laser cutting lets us run small volumes without tooling cost. Small first orders often grow with the project, so we treat them seriously. Could you share the drawing so I can confirm pricing at 500 / 1,000 / 2,000 pcs?

Accepted Answer

Yes — 500 pcs is a normal batch for industrial projects. Laser cutting lets us run small volumes without tooling cost. Small first orders often grow with the project, so we treat them seriously. Could you share the drawing so I can confirm pricing at 500 / 1,000 / 2,000 pcs?

Question 4

Four core lines: membrane switches, graphic overlays / electronic nameplates, touch panels, and FPC flexible circuits — all built in-house. Most clients are in appliances, medical, industrial controls and telecom equipment. Which category does your project fall into?

Accepted Answer

Four core lines: membrane switches, graphic overlays / electronic nameplates, touch panels, and FPC flexible circuits — all built in-house. Most clients are in appliances, medical, industrial controls and telecom equipment. Which category does your project fall into?

Question 5

Dongguan, Guangdong — about 1 hour from Shenzhen. Convenient for factory visits combined with a Hong Kong or Shenzhen trip, and close to major ports for shipping. Are you planning a China visit, or shall we start with a live video factory tour?

Accepted Answer

Dongguan, Guangdong — about 1 hour from Shenzhen. Convenient for factory visits combined with a Hong Kong or Shenzhen trip, and close to major ports for shipping. Are you planning a China visit, or shall we start with a live video factory tour?

Question 6

We're a manufacturer — 20,000 m² facility in Dongguan with dust-free printing workshops, founded in 2009 with 17 years in precision printing. You're welcome to verify via video call or an on-site visit. May I know what you're sourcing, so I can arrange the right engineer for the call?

Accepted Answer

We're a manufacturer — 20,000 m² facility in Dongguan with dust-free printing workshops, founded in 2009 with 17 years in precision printing. You're welcome to verify via video call or an on-site visit. May I know what you're sourcing, so I can arrange the right engineer for the call?

Question 7

Great — the process is simple: (1) you share a drawing, photo or sample; (2) we confirm specs and quote within 24h; (3) prototype in 5–7 working days; (4) you test and approve; (5) production. To start, do you have a drawing (DXF/PDF), or should I send our 1-page spec checklist?

Accepted Answer

Great — the process is simple: (1) you share a drawing, photo or sample; (2) we confirm specs and quote within 24h; (3) prototype in 5–7 working days; (4) you test and approve; (5) production. To start, do you have a drawing (DXF/PDF), or should I send our 1-page spec checklist?

Question 8

Since 95% of our switches are custom-made, a fixed price list wouldn't be accurate for you. Instead, I can send an industry-specific case book — which field is your product in? Meanwhile, if you share a drawing or photo, I'll quote your exact part within 24 hours.

Accepted Answer

Since 95% of our switches are custom-made, a fixed price list wouldn't be accurate for you. Instead, I can send an industry-specific case book — which field is your product in? Meanwhile, if you share a drawing or photo, I'll quote your exact part within 24 hours.

Question 9

Yes — membrane switches are one of our core lines, about 1 million pcs monthly capacity, with in-house printing, die-cutting and 100% electrical testing. What's your application — industrial, medical, or appliance? That helps me point you to the right construction.

Accepted Answer

Yes — membrane switches are one of our core lines, about 1 million pcs monthly capacity, with in-house printing, die-cutting and 100% electrical testing. What's your application — industrial, medical, or appliance? That helps me point you to the right construction.

Question 10

Because every membrane switch is custom-built, price depends on size, layer structure, circuit complexity, and volume. Share your drawing or sample photo for a budgetary quote within 24 hours.

Accepted Answer

Because every membrane switch is custom-engineered, pricing depends on specific technical parameters rather than fixed catalog rates:Key Cost DeterminantsDimensions & Layers: Part dimensions, graphic overlay material (PET vs. PC), and number of circuit layers.Components & Features: Tactile metal domes, embedded LEDs, backlighting (LGF), and ESD shielding.Volume Tiers: Tooling setup efficiency improves significantly at higher volume tiers.Please share your equipment type, operating environment, and a drawing (DXF/PDF) or sample photo to receive an accurate quote within 24 hours.

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